I awoke this morning to a polite, well-written, credible comment—to an older post—that immediately sparked an ethical dilemma. Maybe you can help me out.

The comment reveals unpleasant personal details about the commenter’s past encounters with a blogger who has prompted some controversy on Ethics Alarms, episodes that mark the blogger as a jerk of the highest order. Indeed, I had already diagnosed Blogger X as a jerk, and written about it. This is difficult to explain without revealing the identity of the blogger—let’s just say that his writings that attracted my attention complained about a phenomenon that was far better explained, at least in his case, by his character than the causes his many posts attributed to it.

Normally, this would be an easy call. I have frequently removed similar ad hominem attacks on some of you (you didn’t know that, I bet!). Settling old scores is not what this site is for, and the comment in question would usually fail for being off-topic. There are two reasons I am considering approving the comment.

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