This would aim at efficient production, and have the side effect of efficient consumption.
1. Better Service - economics keep pushing the service quality bar lower as humans are an expensive way to satisfy customers. We do better with a human bagging your groceries than having you bag your own groceries and pay for an idle human.
2. Experience Ladders - people being interested in their own careers leads to more experienced people. For example, a corner store might hire someone to create a promotion if its cheap enough. The person hired might become good at it.
3. Crazy Startups - with survival being possible, people can start a company at high risk, hiring their friends at a cut rate. If it fails, they can give up and work for their friends.