I remember once that whaleshares say it will kill steem because they solve steem problem, the here comes weku with the same blah blah blah, then bearshares, now Golos died, smoke is fading since you only need to post smoke related post. While trybe.one consistently improving it's WordPress front end. 

And yes, I didn't leave steem to joined one of those. Till today, they didn't do any traction in preparation to moon.