I don't think you can compare Brisbane of 2009, in terms of commercial interest or even rugby league support, with that of 1988 or even 1995.
Brisbane pre 1988 was primed for a league franchise. Crowds at BRL matches were great and the playing stocks were there to compete. Of course the juniors situations was great back then - what kid played VFL or soccer in 87? The weird ones that came from other states or countries.
Every club relies on sponsorship, regardless of whether it's privately owned or not, just ask Cronulla and Souths. Sure there is more of a corporate dollar in Brisbane 20 years on, but that dollar is not clamoring to get on board rugby league. Reading the newspapers in the past few months, one can see why.
I don't blame the Broncos, or any club for that matter, for running itself like a business. It's what ensures longevity. Tradition and all that is fine (don't get me started on jerseys), but it doesn't count for much when your team dies a slow crushing financial death.
I don't think Brisbane is ready yet for a second team. It's not to say they won't be. But I sat in that empty Lang Park ground with my Crushers season ticket with Casey the mascot as my only companion. (OK, so it wasn't that bad - that's probably why you could get into grandstand seats for free towards the end). A team can't be successful in Brisbane just because some people hate the Broncos. If the Crushers were honestly viable, financially and on the field, the NRL wouldn't have caved into the Broncos (SL's main protagonists) so easily.
Don't mistake my basis here, yes I'm a Broncos season ticket holder (just as I was with the Crushers), but I wouldn't call myself a fan. I also have a Titans season ticket and am a member of a few QRL clubs, I would love to see more clubs, read more NRL matches, in SE QLD. But I'm a realist. I'd rather spend time, money and passion on a club that has a realistic chance of making it, not just because someone looked at population stats and pulled out a map.