Yes
I've found this extremely useful for code reviews
joshmoody24 on Hacker News
In the thread “AI;DR (AI; Didn't Read)”, replying to this comment
Helped: Blocking long comments forces focus on 'why' not 'what'.
My team uses a Claude Code hook that blocks any comment more than 2 lines long, and when tripped it encourages the agent to rewrite the comment more concisely and focus only on the "why" not the "what" of the code. I've found this extremely useful for code reviews.