Yes, that's true. I wouldn't say that that entirely fits Bob, but the point stands. He strikes me as having eventually stopped being capable of Beginner's Mind.
Those sentences prove nothing of the sort. And you really have no reason to get that arithmetic so wrong. And you could have looked it up instead of guessing. He has a Wikipedia page.
He was born in 1952.
There are good reasons not to follow him. No need to invent bad ones. That only hurts the credibility of people decrying him in public.
I like this idea and look forward to seeing how well it works in practice.