If an officer of Omni-Pol goes outside what is allowed, that officer is unlikely to have his uniform the next day. When Gorgefodder does something the NLF leadership claims to dislike -- and does it repeatedly, at that -- he's still allowed to call himself a member of the Front.
Why? If you don't care what he does as long as he attacks a few mining towers every now and then -- you know, when he's not busy making you look even crazier than you are -- just come out and say it.