They've underachieved by every metric, not failed. There's a monumental difference between those two positions.
The second Brisbane side was such a sure bet that there was no chance of it failing no mattered how poorly run they were. But let's give it a few years, let the novelty wash away, then see how they're going...
TBF, when it comes to Brisbane your standards of success are so low that you'll say that they're a "success" for as long as they're doing better than the smallest Sydney clubs, which is a very low bar.