This is basically the difference between the proletariat and the bourgeoisie: one needs to work for someone (even if only for its customers, as a business owner

This is basically the difference between the proletariat and the bourgeoisie: one needs to work for someone (even if only for its customers, as a business owner) to survive, and the other can do whatever they want while living off of previously accumulated capital. Not having to worry about how to get bread on the table opens up the door for all sorts of interesting creative labour!