Completely agree. They were paid to control order, not watch then nick 2 months later.
Yellow shirt or whoever he is should have been removed from the ground after the first goal for his (drunken) behaviour. Did his actions though warrant arrest? not in my opinion he was just being a knob, a lot of us have been a dick when pissed. Should have just taken a hard line and frog marched him out, many others around him would have then thought twice.