# 🌐 Bluesky's 'lack of diversity of thought' driving users back to X: Mark Cuban
![Mark Cuban says Bluesky, the social media site that is populated primarily by left-leaning users, has “grown ruder and more hateful.”](https://nypost.com/wp-content/uploads/sites/2/2025/06/user-expressly-acknowledges-agrees-downloading-102790635.jpg?w=1024)
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Business Mark Cuban says left-leaning Bluesky's ‘lack of diversity of thought'
driving users back to Elon Musk's X By Ariel Zilber Published June 12, 2025,
10:14 a.m.
ET Mark Cuban says Bluesky has "grown ruder and more hateful" and warned that a
"lack of diversity of thought" on the platform is pushing users back to Elon
Musk's X, the social network formerly known as Twitter.
The billionaire entrepreneur and longtime tech enthusiast had been one of
Bluesky's most visible champions, but now says the platform's predominantly
left-leaning user base has created a hostile echo chamber where dissenting or
even mildly nuanced opinions are met with outrage.
"The lack of diversity of thought here is really hurting usage," Cuban wrote
this week in a series of critical posts.
![An image collage containing 3 images, Image 1 shows Activists and family members confront Homeland Security police outside of the offices of a Homeland Security contractor after several immigrants were taken into custody in Chicago on June 4, Image 2 shows Farm workers labor in the fields south of Bakersfield, Calif. Farmers have reported an uptick in immigration enforcement actions in recent weeks, Image 3 shows President Trump acknowledged that his immigration policies have hurt US businesses](https://nypost.com/wp-content/uploads/sites/2/2025/06/newspress-collage-v8us30fyx-1749742861004.jpg?quality=75&strip=all&1749728503&w=171&h=114&crop=1)
Advertisement 4 Mark Cuban says Bluesky, the social media site that is populated
primarily by left-leaning users, has "grown ruder and more hateful." NBAE via
Getty Images "There used to be great give and take discussions on politics and
news.
Not so much any more.
Doesn't have to be this way." Cuban, the tech billionaire who once owned the
NBA's Dallas Mavericks and who recently concluded a lengthy stint as one of the
investor "sharks" on the hit reality show "Shark Tank," posted a link to a
Washington Post opinion piece titled: "The Bluesky bubble hurts liberals and
their causes.
![Elon Musk, Donald Trump](https://nypost.com/wp-content/uploads/sites/2/2025/06/Trump-Elon-Truth-Social-X-Fight-ANIMATE_b5f531.gif?w=171&h=114&crop=1)
In the piece, columnist Megan McArdle argued that the platform's left-leaning
user base fosters a political silo.
Cuban agreed with the piece's assessment.
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![Millions of X users made the switch and joined Bluesky after X owner Elon Musk backed President Trump.](https://nypost.com/wp-content/uploads/sites/2/2025/06/bluesky-image-shows-x-bluesky-106358314.jpg?w=1024)
Advertisement "The moderation and block tools on here are so advanced, if you
see someone you don't want to see on here, just block them.
Don't attack them," he added.
He supported Kamala Harris during the 2024 presidential election but didn't
donate to her campaign, joined Bluesky in late 2024 and has posted nearly 2,000
times since.
![Cuban warned that the discourse on Bluesky would eventually force users back to Musk's X.](https://nypost.com/wp-content/uploads/sites/2/2025/06/2025-washington-dc-musk-served-106015681_5dd9d4.jpg?w=1024)
His first post -- "Hello Less Hateful World" -- set a hopeful tone.
But that optimism has since faded.
Advertisement "Engagement went from great convos on many topics, to agree with
me or you are a nazi fascist," Cuban wrote.
"We are forcing posts to X." 4 Millions of X users made the switch and joined
Bluesky after X owner Elon Musk backed President Trump.
![Bluesky CEO Jay Graber said in a recent podcast interview that her social network was born out of ](https://nypost.com/wp-content/uploads/sites/2/2025/06/2025-fast-companys-innovative-companies-105998655.jpg?w=1024)
Ole - stock.adobe.com He said even small disagreements are met with outsized
hostility.
"Even if you agree with 95% of what a person is saying on a topic, if there is
one point that you might call out as being more of a grey area, they will call
you a fascist etc.," Cuban wrote.
Advertisement According to Bloomberg Billionaires Index, Cuban's net worth
stands at approximately $8.35 billion.
Some users didn't take kindly to Cuban's critiques -- and they made their
feelings known in blunt, often profane language.
![Mark Cuban says Bluesky, the social media site that is populated primarily by left-leaning users, has “grown ruder and more hateful.”](https://nypost.com/wp-content/uploads/sites/2/2025/06/user-expressly-acknowledges-agrees-downloading-102790635.jpg?quality=75&strip=all&w=1024)
In response to his concerns, one user wrote, "Go wipe your crocodile tears with
a wad of hundreds you tw-t.
People are over the idea of ‘cool' billionaires." Another told him, "Man if I
were as rich as you I'd probably be less of a p--y," while a third simply said,
"F-kin leave then, p--y." 4 Cuban warned that the discourse on Bluesky would
eventually force users back to Musk's X.
Getty Images Yet another post, which Cuban also reposted, read: "It's like you,
as a billionaire, are a despicable bastard and we want you to stop pushing AI
and big business here and just Go Away." Bluesky launched as a decentralized
social media alternative and saw explosive growth in the aftermath of Elon
Musk's full-throated endorsement of Donald Trump's reelection campaign in late
2024.
![Millions of X users made the switch and joined Bluesky after X owner Elon Musk backed President Trump.](https://nypost.com/wp-content/uploads/sites/2/2025/06/bluesky-image-shows-x-bluesky-106358314.jpg?quality=75&strip=all&w=1024)
Musk's backing of Trump triggered an exodus from X, driving millions of
liberal-leaning users to Bluesky in search of a quieter, more ideologically
aligned environment.
Advertisement Between November 2024 and May 2025, Bluesky's user base tripled --
from roughly 10 million to over 30 million -- according to Pew Research Center.
That analysis also found that many of the platform's most prominent news
influencers lean left politically.
4 Bluesky CEO Jay Graber said in a recent podcast interview that her social
network was born out of "people wanting to just try something new." Getty Images
for Fast Company Bluesky CEO Jay Graber acknowledged the politically driven
migration in a June 4 podcast interview with Vox's Peter Kafka.
"It's people wanting to just try something new.
![Cuban warned that the discourse on Bluesky would eventually force users back to Musk's X.](https://nypost.com/wp-content/uploads/sites/2/2025/06/2025-washington-dc-musk-served-106015681_5dd9d4.jpg?quality=75&strip=all&w=1024)
It's people finding their community here," she said.
Advertisement "I think in general it's both people looking for something and
people looking to get away from something." But for Cuban, that community
appears to have turned inward.
He now worries the platform is discouraging debate and becoming a digital echo
chamber.
The Post has sought comment from Bluesky.
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