drug cartels in the world

Has corrupt political leaders and police force that oppress their people.
Horrible air and water pollution
Horrible education system and environment for children.
Garbage military
Entire country filled with religious fanatics
Disgusting sounding language
Oppresses native tribes that had lived there prior to their country's founding

Tell me /newpol/, is modern day mexico any worse or different from the controversies surrounding the middle east and why haven't we attempted to annex and improve this piece of shit country so close to home?