So I actually find this helpful because if the why doesn't match the what (code), I know to look back at the history of changes and see why there is a mismatch.

So I actually find this helpful because if the why doesn't match the what (code), I know to look back at the history of changes and see why there is a mismatch. This is honestly a great signal that something might have gone sideways in the past while I'm trying to triage a bug or whatever. So even if the comments are out of date, they're still helpful, because I know to go look at why they're out of sync.