I just checked myself this user's profile and there is -1 on his profile trust. I have never ever modified my trust list and if he isn't DT member, then why is that feedback visible? Hm... Idk what's wrong here...
Don't know either, but OP's feedback is showing up as neutral for me--but I've got a pretty customized trust list, so that's not unexpected.
It would be nice if these two parties could work things out and just bury the hatchet. OP has proven he's not a bot, and I'm not sure about the veracity of the rest of the feedback. Honestly I think SPQRCoin ought to just remove it, or at least change it to a neutral.