He was a super-rich guy, who had had too many people telling him he was a genius for way too long (reminds you of anybody?), and so was way too sure of himself. A bunch of his ideas were crazy, which doesn't mean others weren't trying to dismiss his views.
All shoe sizes should only be small, medium, and large. He really did have a lot of very ridiculous ideas. He also had a lot of extremely good ideas and incredible understanding of socioeconomic conditions.
His book “United We Stand” with modern context is quite amazing considering it came out in the early 90s.
He was a super-rich guy, who had had too many people telling him he was a genius for way too long (reminds you of anybody?), and so was way too sure of himself. A bunch of his ideas were crazy, which doesn't mean others weren't trying to dismiss his views.