I'm not sure what the difference is between sounding rude or aggressive and being rude or aggressive, which certainly the site guidelines are asking you not to do.

Swipey phrases like "preaching of a religious person" count as name-calling in HN's sense.

Your comment was clearly written in the flamewar style. ("Your virtue signaling is unimpressive. Please take it elsewhere.") That's very much what we're trying to avoid here, so please don't do it on HN.