If this differentiation is actually being made, then why is Linus making comments saying "he's surprised [this developer] is still alive, because they are too s

If this differentiation is actually being made, then why is Linus making comments saying "he's surprised [this developer] is still alive, because they are too stupid to find food", or "should be retroactively aborted". These comments, hyperbole or not, definitely give the impression that there is no real distinction being made.