Well vulgarity is often used as part of humor, so it tracks that something you find vulgar might get laughs from others. The question is whether it's over the top vulgarity based on board consensus (or the powers that be, if they want to get into that).
Personally I would not say that to somebody. I consider it a bit crass for polite conversation. However, I might giggle a bit at its used by somebody else if I thought the target of it was arguing in bad faith and just trying to prevent others from having a meaningful discussion.
I guess to put it another way, if somebody is intentionally being an ass, I tend to give others a bit of leeway in what I think is appropriate vs. over the top. Now if super is the one who said this to you, I'd have to ask you honestly if you were doing something intentionally to provoke it. In general, I find him to be a very polite poster... his Asperger's can certainly make him seem patronizing at times.
But I think anybody who has engaged with him for any period of time realizes that it's a result of the way his brain works... not something he's doing to be mean or to belittle. He honestly wants to share the info his spongelike brain accumulates at a mindboggling rate. He's incapable of seeing the line where it goes from friendly sharing to pedantic mansplaining. He can't help it.
But even when he knows people are making fun of him... he still tries to share what he knows, as he feels that's the best of him he has to offer. Honestly, the constant bullying of him around here for being on the spectrum is IMO far worse than anything he might have said after finally saying enough is enough.