Closed, needs deleting.
Why do you want to report him is their a violation you want to appeal or something else
You can contact the controller via PM and have a polite conversation about what happened and try to get clarification for their actions.
For dangerous controlling. Seems like he was somewhat trolling. Spoke to members of my VA and they all said to file a report so.
Just send him a pm
Send him a pm and maybe include a @moderators if you don’t want to talk alone to him