Yeah. And. So. What?

He can tell whatever stories he wants to in order to promote himself or his business. Lies in those situations are to be expected.
CBS is the group responsible, in this case, for determining how much is verifiable. If you're surprised that the news isn't fact checking well, then you've not been watching the news for the past decade or so.

The guy told exaggerated or made up stories about himself. People who are TV writers made a TV show out of them. None of that is fraud.

Even if the writers believed him - and I think that's doubtful - he's still just telling tall-tales to writers who then write about them.

The writers are crappy writers anyway. Let them write crap.