I read some of his books about 15 years ago. I thought he was a crazy motherfucker back then, but I thought he was sincere in his beliefs. But I came to believe he's just another grifter who's selling a story. I never bought into his claims, but I at least had some respect for him when I thought he believed what he was saying.
Discussion
I think it’s okay if he’s wrong on things as long as he’s not intentionally misleading his audience (so many folks are just dishonest). I’ve never read his books and only saw a few interviews of him. It’s always been difficult to understand how he came to some of his conclusions based on what I’ve seen. What makes you think that he is a delusional crackpot? Any claim in particular?