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is badly informed on subjects he claims to be an authority
The only subject he claims to be an authority in is psychology and he has objective peer reviewed credentials in psychology.
I don't follow every little detail of his life. Most of his lectures I've watched are fine. The general ethos of his books are fine.
Generally speaking he's fine.
I find the cult leader accusation doubious and a bit lazy. You can literally say the same about any public figure.