I'm sure you're right, but I'd like to better understand how a city surrounded by sparsely inhabited wasteland could have a shortage of anything of which those

I'm sure you're right, but I'd like to better understand how a city surrounded by sparsely inhabited wasteland could have a shortage of anything of which those other cities have plenty. Austin is practically a suburb of San Antonio anyway, and has no obvious qualities that aren't shared by ten other cities and big towns in Texas.