The issue is that Coca-Cola et al, in practice, have enough power that they can cause problems for Governments which don't allow them to do what they want. Conc

The issue is that Coca-Cola et al, in practice, have enough power that they can cause problems for Governments which don't allow them to do what they want. Concentration of money is nearly precisely equivalent to concentration of power. And then you have international trade agreements and Governments willing to back this status quo up.