I can assure you that me and most other QF skippers will be holding YBTL when landing in YBCS, even when it's CAVOK. This is exactly the scenario you do NOT want to be facing on Min Op. That "2nd" runway in Cairns is a tad small, even for the trusty 737...
As for the minority who don't carry necessary diversion fuel, well, I just shake my head and roll my eyes. I can just see the FSO one day: "Due to a recent incident, new policy is blah blah blah......"