[StJacques]

"Now Chavez needs to arm the Oaxacans and begin a general insurgency"

What do you mean now? Chavez's last Ambassador to Mexico was kicked out of the country for funneling money to the EPR guerrillas and providing them contacts with the Colombian FARC.

[Ben Mugged]

Mexico has recently shown reticence in dealing harshly with these uprisings. I would guess the burgeoning upper class is getting worried about a general insurgency if they begin a crackdown.