> At that point I wasn't even able to comment on the reply That's the root cause of the problem. Once that's fixed, I think commenting is better than editing t

> At that point I wasn't even able to comment on the reply That's the root cause of the problem. Once that's fixed, I think commenting is better than editing the answer. As a mod I often can't know - having no time to verify - whether an edit such as yours actually fixes some bug or not. It has nothing to do with being hostile. I agree that you should be able to simply leave a comment (new users used to have the right to comment once, if that's no longer the case, I find it quite stupid) that points something out, while keeping it clear who states what. Then if your fix is helpful, the comment gets upvoted, and everybody's happy. The author of the answer will typically acknowledge it by editing their answer, or risk getting downvotes otherwise (since now it's apparent that the answer isn't fully correct).