I've never left a "frivolous" tag, but I appear to have ended up on his "Guild" hit list, presumably as a member of some conspiracy or other.
The fact that I decided (all on my own) to ~ him from my trust list and he immediately retaliated is obviously purely coincidence.

Like other posters here, I don't accept the pulled-out-of-someone's-ass assertion that trust tagging has a net negative effect on the forum, so yet another gang/conspiracy/whatever to include me in.
I leave feedback based on the mainly scam investigation stuff I post for one reason only: to help awareness levels among newbies.
I would like to stay on DT so that they see that, otherwise IDGAF.