I didn't actually say the word "exceptions" anywhere in my comment. That's because I agree that exceptions are not enough - but the solution that is enough, nam

I didn't actually say the word "exceptions" anywhere in my comment. That's because I agree that exceptions are not enough - but the solution that is enough, namely conditions and restarts, also requires "ambient control flow" to use the language of the parent. I was arguing for that and against return values, not for exceptions.