I agree, but unfortunately they're also necessary in circumstances, hopefully rare, when your ability to choose your own names is otherwise constrained for what

I agree, but unfortunately they're also necessary in circumstances, hopefully rare, when your ability to choose your own names is otherwise constrained for whatever reason - a configuration file, or a framework dictating conventions, for example. If you have have to do something complex, and there's absolutely, positively no way to explain it in code, then comments are appropriate. Otherwise, the impulse is misguided.