They certainly made a lot of mistakes, had changes in the leadership team and are successful despite that not because of it, but I don't see them dying anytime soon.
$60M burn over 9 months after raising $250M isn't horrible either. If they continue to grow which seems to be the case, they will be break-even long before they run out of money.
The numbers aren't surprising to me; I'm more surprised why Bloomberg makes such a big deal out of it. GitHub's bigger problem is certainly that they stopped improving, had internal team issues, etc. but that's only a small part of the article (vs. a big focus on those numbers).