He is forgetting how greedy and corrupt FIFA is. Not sure they would knock back a semi in Melbourne with 105k for half that in Brisbane. Money talks.
Also, if ACCOR is rectangular then so is Marvel (moot point as not available in winter) and Optus (With the 5k drop in seats). MCG may well do drop in seats or a moveable stand when the Warne Stand is rebuilt around 2030 - they can afford it. Without the ovals Australia has just three suitable venues. Even if Canberra got a 40k stadium and a couple of others were expanded, MCG, Optus, Adelaide and possible the Gabba and Geelong would need to be included In any bid. Even then we would need to partner with NZ (currently one 40k stadium), or Indonesia, who have plenty of stadiums, most with athletics tracks, so not really rectangular either.