Even after our support service suggested several solutions of the conflict

What kind of solutions you proposed to this user (izooomrud) BEFORE his negative feedbacks?
Please, voice all of them to us.

Our Support service suggested several solutions of the problem

Yep, again: What solutions do you proposed to him?

You clearly don't intend on taking the advice of any of the experienced members of the community here

I.e nerds, jacks of all trades, trolls.
I've corrected your post a little.