Burning man. And temples/churches. But yeah, those are the only places where markets are off-limits. If you try to make a totalizing system that forbids people

Burning man. And temples/churches. But yeah, those are the only places where markets are off-limits. If you try to make a totalizing system that forbids people the right to buy or sell (say, on your way to burning man or after church), you'd need gulags to control the social unrest. People like to buy stuff and sell stuff.