i would love to be playing cricket earlier could even stretch to late september/ october on the weekends. it would beat the agonizing wait for teh season to begin.
i just think there would be lost of issues with grounds and players availability but still worth a go
as you say, the main stumbling block would be grounds. I think for the first year or two you'd find players (who play footy etc) would be hard to convince to play but if you think long term.. you'd just find that those who want to play cricket would leave football earlier. Currently they don't need too so don't. It's not that people prefer football all the time, it's sometimes that 'we' as a game perceive they do so don't look to compete. Again, the number of adults playing amateur sport is declining, so the game needs to look to get a larger share of those who are still playing by putting on games at ever available opportunity.
Personally, I see no reason why games could be sheduled from mid march to late oct, every saturday and sunday. with midweek 2020 games starting when they do for light. Would I play on sat/sun if it was short format? No, and I don't think as many as people think would but some would.. so it's worth doing