I don't think kids should have chores - Edited with more info
I don't think kids should have to do chores, I think they should just be kids. Life is long and hard and once they become adults the chores and work will be endless. Kids should just be kids and enjoy it while they can.
ETA: My kids are 4,8 and 13. The older two can make their own breakfast, lunch and dinner, they are all great kids and never sass back. But I think childhood is so short they shouldn't have to do laundry, rake yards or clean toilets. They should be playing Candyland, kicking the soccer ball around and playing on the monkey bars.