No he trashed DiP first, and then was inspired to work on something better. I'm not thrilled with the way he expressed his dislike for DiP, but good on him for working on an alternative.
I agree. There's not many people who put their money where their mouth is. Regardless of how people feel about him personally, he's a very talented coder and has a lot of experience in this domain. I'm excited to see where this goes.