1. Family with kids. The kids don't eat much.
2. Couples. The female doesn't eat much. I honestly don't understand why they go to AYCE.
I'm surprised to learn that in the US the ticket is $20. In Indonesia, with a minimum wage of only $320/mo, it's around that price too! ($10 to $20). Also in most AYCEs here you're limited to 90 minutes.