That's a little unfair, if accurate. Even the best of us are mediocre programmers when fixing a bug in the middle of the night or diving into a new code base.

You might as well say (and some do) that Haskell is for mediocre programmers because good programmers don't make type mistakes.

> a compiler that tells them off for not properly commenting their code

Are you still talking about go and if so would you mind sending a link because as someone who has written it professionally since pre-go1.0 and contributed multiple changes to the go repo I haven't the faintest idea what you are talking about.