That account posted two nearly identical comments about completely different companies, and has zero other posting history here. Those are not good signs. If HN is going to have a job board, it's not fair to let just anyone come along, smear people's posts, and significantly affect their company's reputation, without any due process.

If that seems unduly restrictive to you, I understand. But we've seen many cases of people taking advantage of the public forum to smear others in dodgy or unfair ways. As I explained at that link above, bad corporate behavior is a thing, and bad internet commenter behavior is also a thing. An HN job thread is no place to adjudicate which is which, so we need to err on the side of not going there.