If humanity was still in the feral state, we wouldn't have any need for these huge conurbations that we have now, that have turned us into a different bunch all together. In the feral state we would be much more secure, much more familiar with each other, much more mentally well-balanced.
If all ideas have to be bought, then you have an intellectually regressive system that will assure you have a highly knowledgeable elite and an ignorant mass.