While the same kid had also found problems with TREZOR One, but was resolved with "healthy communication". Hmmm..........fishy. He also calls himself security researcher. This one blew out of proportion because Ledger had not paid urgent and immediate attention to his report. 
That does say something to me.

There will always be someone hacking into something. 
But it is for us as individuals to look after our safety, why should we be dependent on others, and give them a chance to extort us in name of safety ?!

Source:  https://www.ccn.com/15-year-old-hacks-hardware-crypto-wallet-ledger/