Nothing makes working at a place more unbearable than having to deal with someone that gives an excessive amount of criticism on working code, at least that's how I feel. I've been in that situation before and it made me never want to submit pull requests. It made me even madder when other developers, whose code was no better than mine but had been at the company longer, received basically no critiques. Some might sa…
My mental model is that some people feel like they must comment on a code review to show that they've done something. They don't actually care, but just want to write a comment or two and you can shrug those off.
If following this approach you do need to be careful to only ignore genuinely useless comments though. Often a good way to tell is just to chat with the reviewer. That has the added benefit of the reviewer learning that useless comments will create more for them because you'll be by to chat about their useless comments.