I don’t think anything you have said here is accurate or of relevance. Comparing Perth grassroots against one of the largest and best RL grassroots areas in the country is strange. Further still, CS Sharks area is potentially still the largest junior sports participation region in the country.
What on earth makes you think players will not move to Perth. It’s been demonstrated already they will. Far more desirable than Melbourne and Canberra.
NZ will not have similar player development issues either. There is a rich nursery of Rugby talent all over NZ that any new RL club could immediately tap into.
Families have their kids change schools all the time. You think Cowboys, Knights, Titans, Raiders and Storm players are all locals?
They aren't all locals but a vast majority are. How often does a quality player accept market value to go there?
They have great junior areas and grow quality players