Other(s).

First T:
Sessions with him mostly just staring/listening, without any or little input/interaction.
Forcing me into a theoretical framework that he loves and can apparently apply to everyone. Well, not totally useless... I've learned a lot about what's useless for me from those interactions on mechanics and conclusions I try to avoid.

Second (last, so far) T:
Sending me emails that he had received my emails, without any additional info/input.

Guess what I like is meaningful contribution and the lack of it often feels useless to me.