I've heard those stories about folks who booked a reservation at a value to get the
free dining, but instead stayed at a DVC resort on a points reservation and didn't stay in the value room.
I don't really get how this can be a good deal over just staying in the DVC and purchasing the plan, unless there were a lot of adults in the party. Maybe this was before DVC was allowed to purchase the plan.
And if they weren't going to use the value room, that would have just removed a room from inventory for somebody who would have used it.