People trying to reinvent the wheel are off the mark.
What's currently happening isn't working, and "generally" the problem is accepted as being the lack of ability to put rugby minutes in legs, both for "non-selected" and/or returning from injury senior players in the lead up to international fixtures, and for the player base more broadly.
There are four options that would "work" (from a logistic and commercial POV):
Leave Super Rugby Pacific as is, and do "something" to bring the standards of the Sydney & Brisbane club comps to an acceptable level (see here an RA perspective, not necessarily my own)
Leave Super Rugby Pacific as is, but have Provinces sans the 26-35 players required to be held over for match day/tours play each other over the July-October period
Remove Australian Rugby from Super Rugby Pacific and leverage the Provincial IPs into a new ~8 team professional "domestic" competition, ideally including the Drua, but not necessarily.
Remove Australian Rugby from Super Rugby Pacific and buy into the club narrative: have about a dozen clubs (maybe including the Brumbies/Rebels/Force IPs, maybe not) formally separate their High Performance arms from their community arms and create a singular competition that will make up the highest level of non-representative rugby.