If you're concerned, the thing to do is to email hn@yc. The guidelines specifically ask us not to do what you did here, which is to suggest publicly on the thread that something is amiss.

or flag it

I found it interesting, and I'm surprised it got flagged

Honestly, I'm as surprised as you are.

You edited your comment. It initially included something about not buying upvotes.

Yeah, I edited that out because it was addressing something you didn't actually say. Trying to keep the discourse above-board.