That is impossible to police. The topic is Freedom of Speech. You need to ban these topics or there will always be battles, as there should be.
Greatgirl also makes an important point. It also appears she only made this point once, here, and has no other "violations". The comment wasn't provoking or ill-meaning. It most certainly did not "trample curiosity".
Please don't create accounts to do that with.
https://news.ycombinator.com/newsguidelines.html