What is the big deal? If everyone speed potted then there would be no issue. Just learn this person's glitch and have your FC get up there with him. Or never him get the flag in the first place. When you see him in a BG just stick to him like white on rice.
You all are making it out harder than it needs to be.
There is no need to "hate" or call anyone "retard" or "tard". Just come up with a counter. Have fun with it. If anything, you are playing into his hand. Doing exactly what that player wants you to do. I wonder how many players he has had make level 1s and log over and whisper rage messages at him. The very same kind of messages that get mock on this site.
Have a great Memoral Day weekend! Never forget our fallen.
/cheers