I actually thought I was quite restrained given your proposal.
I'm a perfect example of this group you are referring to. I am from Brisbane, I hate the Broncos - but I sure as hell won't be ditching the Raiders because a new team pops up in my backyard.
Trust me, the people of Brisbane already have their teams and they're not about to switch.
I said the same thing when talk started about the Raiders joining the the NSWRL, "no way I'll drop the Bears for this new bunch", by 87-88 I was a Raiders fan through and through.
Obviously my story isn't every bodies story, I have plenty of friends that would still consider themselves fans of their original teams, but it was people like me and those friends who stuck with their Sydney teams who made up the Raiders first fan base.
We went to the Raiders games simply because we wanted to see good footy, then pretty quickly we adopted them as our second team, then some of us (most of us in my experience) eventually swapped out our old team with the Raiders.
Let's put it this way, if a new club was established in Brisbane and had reasonable membership prices (maybe even undercutting the Broncos) would you (and others like you) become a member just so you could go to watch top grade footy on a regular basis without having to support or deal with the Broncos?
Even if you personally say no, I've no doubt that there're many people in Brisbane that would say yes, and initially that is the niche that any new Brisbane team is going to survive on, until they can convert a good potion of those people and get a little bit of success to bring in the greater public, and in Brisbane that niche is big enough to build a very strong foundation for a new club.
Actually, I'm going to pull you up again. You're not great at figures - just anecdotal evidence it seems.
Did you seriously just use a anecdotal argument in a post then condemn anecdotes in the next! Lol.
I'm sorry, I don't normally point out little things like this, but that's really funny.