It happens. It is the internet after all. Moderators over other forums can come from any psychological background. Unless you're in a big, friendly forum like studentdoctor or bleepingcomputer, you're sure to get into trouble for having different opinions/race/religion/whatever-you-choose-to-disclose.

This is the internet, my dear, and I suspect the said member was trying to deceive you. I know how cruel people over other forums can be, for example, I once joined the "hacker" forum hackforums and got downvoted for my sense of humor. I left after several members down repped me. I am a childhood victim of a YouTube stalker as well, he even made several accounts over an MMORPG game I used to play as a child, and then harass me...