Ted the Kiwi said..
I think the only place in the last 10 years where I have had any grief was at Caves when one of the old boys told me to paddle in before i even got out the back. I sat wide and kept out of his way and my head down as he paddled by. Over the next 30 mins he loosened off and within the hour was asking me questions and giving me set waves. So things can be turned around if you are pleasant.
That kind of illustrates the point though... they weren't old mate's set waves to "give" you (or withhold from you). If you want to paddle out there on a goatboat in a pink stripy wetsuit, provided that you observe surf general etiquette, that's your call and you're entitled to as many waves as the next guy.
A large part of the surfing experience for me is being out there and relaxing, enjoying the ocean, so I would rather surf a lesser quality uncrowded wave than spend all my time jostling for a perfect wave. I think the whole localism thing is a wank.
To my mind, the guys who are most xenophobic about "their" breaks are often the deadbeats who clock up a lot of hours at the break because they have piss all else to do. So a guy who works long hours, has mortgage, wife and kids etc., is never going to be as "local" as the deadbeat (cue Bra Boys).