Unless you are eating them, I don't see where bantams are any less valuable than larger chickens. If you get the right breed, they lay well, and I like the smaller eggs. They are just the right size for me-I get tired of the taste if I try to eat a large egg. People love when I give them the eggs because it's something different form what they are used to seeing. Because they are smaller, they are easier to house. They still create plenty of mulch and fertilizer just like larger birds do. They make WONDERFUL broody hens, so I would keep a couple around as broodies even if I raised large birds. I really don't see any drawback to bantams at all unless you are looking for meat birds. I don't eat meat, sp that's not an issue for me.