what it really does reinforce is as Eddie McGuire has often observed - Sydney is not just another city, it's like another country.
Reality though is - were we in Europe, then Australia would geographically be about 20 countries, and even population wise, comparing to Scandanavia, Australia might be at least divided into 4 or 5 countries.
Even North America manages a logical separation,
the Mexicans (Queenslanders) live in the latitudes nearer the equator.
The red neck Americans live in the mid latitudes (NSW)
and the sensible folk of Canada and more Northern USofA live in the latitudes farthest from the equator (Vic/Tas).
It's a massive challenge to attempt to treat continent Australia as a homogeneous national collective. It's not. And because of the over governance of the country, with 3 levels of Govt including upper and lower houses to boot - - a lot of people can feel very far removed from the 'national sphere'.
So, were Australia divided at least into 3 or so nations - then Aust Football would already be truly international. Even so, as is - many of the challenges the AFL face are as ir more complex and challenging than are faced in international competition.
Culturally its not a big deal to move from Victoria to Western Australia ( I've done it ). Probably less differences than moving to the next village in England.