He has written several large books. I've read them, Overall, they are cogent, clear writing. Along with his many essays, his writing is voluminous. I don't agree with much of the man's writings, but to pick at quibbles out of context is unfair and unrealistic. If he disagrees with the main thrust of an idea, then challenge that. I know the man has written some bonehead idioms. That's hardly a substantial attack on the man's ideas.
As for his rich lifestyle, that does not make his idea wrong either. I also think his anti-consumer ideas are wrong, but his lifestyle is no counter-argument.