One thing he doesn't mention with his "Zetas are the future" assertion is that this level of violence can be disruptive to overall national productivity and harm other business interests.
This is could be why the US gov has allegedly worked out deals with the Sinaloa (as Zeta presence in the US could be disruptive and needlessly violent people can be a nuisance to work with):
And why a fairly complimentary piece about the Sinaloa's business practices appeared this summer in the New York Times (revealing they use age-old methods of achieving internal stability such as intermarriage between families of senior cartel members):
This is could be why the US gov has allegedly worked out deals with the Sinaloa (as Zeta presence in the US could be disruptive and needlessly violent people can be a nuisance to work with):
http://www.businessinsider.com/stratfor-the-us-works-with-ca...
And why the head of the Zetas was recently killed by the military:
http://www.cnn.com/2012/10/09/world/americas/mexico-zetas-ca...
And why a fairly complimentary piece about the Sinaloa's business practices appeared this summer in the New York Times (revealing they use age-old methods of achieving internal stability such as intermarriage between families of senior cartel members):
http://www.nytimes.com/2012/06/17/magazine/how-a-mexican-dru...