Buy Mexico with what? The US is broke and everyone knows it. What are they going to do? Print a few trillion more? And who would get this money? The cartels.
Red Text confirms shit-tier potato level thinking.
So, once they're citizens, and enjoy all the rights as such, they would be able to travel around the land molesting kids and spreading TB and bed bugs.
I'd rather see Mexico cleansed with fire and the land salted.