Eh. Once they recontextualized Mexicans being included in the NAN population by virtue of Aztlan being one of the NAN states during the Treaty of Denver, it made it a little easier to buy the PCC's population figures. But just in the former New Mexico territory, all of the Indians would've been outnumbered 4:1 by the Mexicans, and that Indian population is significantly Navajo. With them and more than a token amount of Apache out of the way, that would be even lower. Besides, the way Nigel wrote up the divide, it's almost like the Hopi and Zuni (Of all the Pueblos, too, why them?) became political identities rather than actual racial divides.
You know, Ghostwalker lucked out in having the country between his city and Aztlan be one filled with people that hate Aztlan and Azzies. Just me referring to us as Mexicans and not some other term would piss off some of them. And that's before you add the "I'm Mexican (or Central American), not Aztlaner" folks like Matador (RIP).
There's a lot of stuff to play with in Pueblo. I still don't have a good grip on life in Phoenix, but I imagine there's also plenty of resentment, annoyance, *something* at being governed by the governmental C-Suite and Board of Directors way the Hell off in Santa Fe. I mean, it's not like the Board is elected by geographical districts, so it's unclear how the government operates and considers the interests of that sprawl, aside from the fact that it's fairly large and near the Aztlan border, versus a country that stretches from Boise to the California Central Valley to Denver and with a southern border running from Orange County to Big Bend.