How hard is it to stock shelves? You are demanding capitalists pay more than the productivity of the employees.
You don't need a government to have laws. You don't need a government to enforce laws. You don't need government.
Get real. Child labor was always necessary, and is still necessary in a large portion of the world. It is a blink of an eye in the timeline of human history and a small portion of the world when and where child labor was not necessary.
And they make dumb decisions. How many times do I have to say that what I do in the privacy of my home is no more the business of my neighbors than it is of the state?
Direct democracy has banned same sex marriage in multiple states, recreational and medicinal marijuana use in some states, and even minarets in Switzerland.