Is this a fallacy?

So, I watched a video where a Youtuber (Let's call him Guy A) pointed out another Youtuber's (Let's call him Guy B) hypocrisy by saying that while Guy B claims to support rape survivors, he has made rape jokes in the past. (Cut to a segment of a stream where Guy B jokes about and downplays rape)

After Guy A's video was released, Guy B made a response video saying that because he made those jokes in the past, he can't be criticized for it.

I have a feeling this is a Fallacy, but I don't know which one.

Did Guy B use a fallacy in his response, and if so which one?

You can use a reductio ad absurdum to show that this is absurd, since every statement ever made was in the past (i.e., therefore, there is no one could ever be criticized for anything they ever say).

If Guy B has apologized for the statement, then he could remind Guy A of that fact, but he is still responsible for saying it. It would be up to Guy A to accept the apology and/or determine the sincerity of the apology.