If you put it that way, I agree he was rude in the OP, yes, just as rude as you were on your reply to him. So I'd either go for both of you or just let it go and actually ask you both to not turn this into a flame war.
That's hypothetical, I wouldn't have been able to respond if it was locked/removed immediately. It's a sad call for attention and it's looking for trouble.
I'm an [censored]
We've established that