Aztlán war coming?

According to Phoenix-based Nuestros Reconquistos,  there will be a war to  take back Aztlán,  which is basically what they call the Southwest,  within the next five years.   And since His Oneness has no intention of enforcing our borders,  I think it safe to assume he would surrender the territory rather than be thought insensitive to the plight of his poor little brown brothers and sisters.