So people can watch him develop software? The same reason why you might stream a "let's play" but not be interested in somebody commenting on how bad of a gamer you are?
The issue is that he uses that platform to criticize other languages. That's my root problem, here. If all he did was write code, then nobody would care.
I'd be okay if he never spoke about it as the next big thing in programming with no intention of releasing it for public criticism. It's 100% okay to have private, in-house tools.
