Why Mexico or Colombia should care about exporting drugs? As you say, it could be a net win for them. Instead of that we see a state of war in the country, bec

Why Mexico or Colombia should care about exporting drugs? As you say, it could be a net win for them. Instead of that we see a state of war in the country, because the pressures of the "big bad USA" and their "war on drugs". I suppose it's easier to have a war when the deaths are in other countries.