I don't personally find it professional to talk negatively about a former peer in the profession (there maybe instances it's okay, so I'm talking in generalities). I like my T. Whenever I eventually move and have to pick another T, I'm sure that T will have critiques of my current T and I would expect him or her to keep their trap shut and help me process into a new therapeutic relationship.

That said, I think you're right that he's trying to help you unattached. And it does sound like (from what I've read) that you idealize your T and maybe don't have a very complete picture of him... (which is hard for any of us).