The thing is, I really think Australian Rugby is being put into the "too hard basket" when what really could fix them is a bit of cross-pollination with NZ Rugby - not just allowing NZ players to play for Aussie SR teams & still qualify for All Blacks selection (even if it's limited to a quota of x NZ players per Aussie SR club), but getting Aussie players & coaches to come over here & improve their skill set.
The ARU has pushed for looser eligibility rules in SR before and it's clear that the NZRU (and SANZAAR) will never agree to it. TBF a lot of people in the ARU are against it as well.
It'd be a steep hill to climb and the destination wouldn't be worth it anyway as it wouldn't address the fact that nobody in Australia gives a flying f**k about the Kiwi sides, or that RU doesn't have a single star player anymore. Having the best talent nobody has heard of poached by teams most people can't name won't improve RU's standing in Australia.
Besides, Australian and Kiwi rugby have been playing with and against each other since their inception, and it's done nothing but hurt Australian Rugby for about 30 years. The relationship between the two is inequitable and the ARU don't have the leverage to improve it.
Local rule changes just won't fly with World Rugby - and it actually could cause headaches for the Wallabies when the players have to revert to standard rules.
Firstly, I doubt changing the points value of penalty and drop goals and some minor tinkering to incentivise open play would have that much impact on the Wallabies in the grand scheme of things.
Secondly, Australian RU is in the position where it could effectively cease to exist as a commercial product within the foreseeable future if it doesn't make significant changes.
Surely pissing WR off by changing the rules is better than effectively going extinct, and if it causes another schism it causes another schism.