First of all it's foolish to think you know what others have said.

It's foolish to think that you've had a perfectly clean mouth your entire life. Even if that is the case, saying crude junk in a private conversation is perfectly fine.

But it didn't seem like he was joking

But he was. It doesn't matter what you think he said. There is literally nothing supporting the idea that he's pulled the bowling ball grip on a lady.

And I think we can all agree that sexual assault is not in any way an accomplishment

And I think we can all agree that baselessly accusing someone of it is completely inappropriate

how does that detract from he's done.

He hasn't done anything.

Because it's possible that people have said worse things that somehow makes what he sad not bad?

Because every single person on earth has the right to say any crude thing they want while in the private. It's called freedom.