Dahut enjoyed getting in my business, trying to tell me to make friends, even as he happily deceived others. I'm not above retaliation, but I also think that people should own up to their own mistruths.

[so he'll like plant the seed of doubt but won't doxx, like an asshole]

Admit your frustration that you missed plenty of obvious things despite my warning and do better next time. Maybe you won't be so easily tricked.