For the way I travel when it is me, DH & the kids, we actually ate fewer TS meals on the DDP than we would without, and the DxDDP suits our eating style much better.
For the trip my mom booked for DD's birthday, we probably ate more TS than we would have without the plan. On the one trip we took to Disney when I was a kid, we ate 2 TS meals during a 5 night trip.
In the future, I'll be doing the deluxe plan for our family trips, so we'll have more Disney TS than we would otherwise. When my mom is the one calling the shots, we'll probably continue to have a TS meal each night, but it might not always be at Disney because the next trip she's planning will include my brother and his fiancee as well as me, DH and the kids, and with 7 of us, we'll probably stay offsite. If we stay onsite, we'll pay OOP (not interested in the '08 standard plan) but still have a TS each night.