Redseed,
YOU SUCK. period.
I have been a taper for over 20 years AND used to own a live sound company for 8 of those years. If any one ever patched in to my boards with out my permission they would have had their legs broken by the bouncer(s).
Most sound companies sign contracts withthe venue and/or the band explicitly stating what is OK and what is not OK at their shows. I am SURE someone stealing a patch would violate the contract. Of course, since your mama never taught you manners, you wouldn't understand.