It's been done to me and I like it.
It's been done to me, too, and as I recall, it didn't do all that much good. The major good effect that I can remember is indirect-- it was something to be able to talk about the inside of my head with someone who found it all interesting and a possibly useful tool for untangling problems-- this helped pull me away from my usual feeling that there's something wrong/defective/shameful about a lot of it.
What did you get out of Connection Theory?
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.