this isn't necessary, really.
even if you do apologize you'll 60% of the time do more malicious stuff
I'd probably agree with you here if the guy we're talking about was malicious at all. If Bedpost or any other stuffter came back and apologized up and down that he was wrong and he'd never do it again you'd be pretty correct to say that it wasn't needed and that actions speak louder than words.
This guy though? At worst, he's offended some people and he wants to say he's sorry. He really never did anything that wrong, so if he feels bad enough about it to make a public apology good for him. We don't have to really care, but it's not like he's attention whoring or whatever some people are accusing him of.