Most Helpful Guys
It does that to prevent spammers from spamming this site ceaselessly.
I have never had that warning but if there is such a warning then it's probably there to stop people spamming or farming for Xper just so they can private message. The intent will be to encourage better quality content.
I bet @CT_CD has had this warning about a billion times by now, lmao.
Most Helpful Girls
GAG probably think it's spamming.
I know, right. They didn't do that before. At least I don't think so. LEMME POST MAH OPINIONS!