If they go through with this do not expect the price of tickets to go down if you do not want miles or your meal. The lowest current fares would be what you would pay for nothing but transportation. This is the same sort of thinking that has started the no standby rule's on the cheapest fares.

Knowing how many meals to provide would be easy since the cheapest fares would need to be booked far in advance, and the higher fares would include meal service.