And since he's not naming names, he's being professional about it, but pointing out that the bad behavior isn't for him.
It is about as good as a response that can be considered, given the circumstances.
Just FYI, you want:
> It is about as good a response as can be considered
(Incidentally, I couldn't agree more with your comment. It was a very magnanimous response that he gave.)
In my own experience… Apple is a large company, with a huge variety of teams with different accepted standards of conduct.
But the Swift language is also an open source project, so this is a pseudo-open dev community so I’m not sure if Apple’s internal corporate culture even has a strong hold over this mailing list and those WebEx meetings that probably include volunteers, not just Apple employees.
So in practice, yeah you leave.
That said you are right; you should also raise the issue to upper management. You have more options than just speaking to them directly.