I completely agree! Providing clear comments that are actionable is a must. We can't expect others to read our minds, and they obviously don't think it's vague/confusing/etc. because they wrote it and submitted it. I've found that I have started to write clearer code since starting reviews because I get called out on things like that, so now when I write it, I'm thinking about if others would be able to understand it from the get-go.
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