Firstly, no state except New South Wales gets a single home game. If they manage to defeat South Australia, as most teams have done thus far, then they will have made good this advantage to make it into the final. Should they then defeat Queensland in the final, then the outcry will start in earnest; even if New South Wales do have the strongest side in the competition - and it would be hard to argue against that when all are on form and David Warner keeps hitting 130-plus scores - their win would be devalued because they came into the competition with an advantage over all their competitors.
Secondly, there's the fact that the entire competition has been crammed into a space of less than a month, with the best players in the format all on tour for the entire season. What hope does anyone - except a 130-scoring David Warner - have of staking a legitimate claim for a place in the side? And isn't it likely that the whole damn thing will be forgotten by the time Cricket Australia next select an ODI squad anyway?
Cameron White has hit his 34th, 35th, 36th, 37th and 38th List A fifties. Who really seems to care?
In fact, if you were going to play any competition on Grade grounds, the logical one would be the Sheffield Shield. In Brisbane, for instance, there are a dozen First Grade clubs, which, with five home games per year in the Shield, would result in each club getting to play host to a state match once every two years (ish). The attendances for Shield matches really are negligible - while I was living there, one day of the Queensland-South Australia match attracted the enormous total of eight spectators - and could be far improved just by spreading things around a bit.
At my club (Sandgate-Redcliffe) for instance, there was a pre-season Twenty20 friendly between South Australia and Otago. It was not an official match, and didn't feature the Bulls. And it was on a week-day. There were still more than eight people there. Surely, a Shield match featuring the local side would be something more attractive for spectators. Some of the club members would likely turn up, as could the local school-kids from schools like Sandgate High and Bracken Ridge that are pretty much within walking distance. There's even a nice grassy bank at the Albury Oval that you could put them all on. And it would save a fortune on drop-in pitches.
I'm not necessarily saying it's the best course of action, but I think it makes a great deal more sense than a four-week List A season played exclusively in Sydney.