His adoptive father was an Army officer so while life was not luxurious it was comfortable.
He wants to modify, not undo.
What he said was that children 14 and over should be able to work. He suggested that the schools could hire them to do some of the more mundane work un poor areas instead of paying union workers.
The idea is that teaching actual work ethics and rewarding them would be more effective at teaching children from impoverished homes to live better lives then the "no child left behind" act that dud not alter the poorest of our country at all.
BTW, under present law farmers children can in fact work their parents farm.