I do not agree with the first bullet point, b/c there is a cost associated with providing DME. However, everything else is correct.
Well, of course there's a cost, but it's not coming out of YOUR pcoket, at least not directly. My point was that if you spend $100 on taxi rides, there is literally $100 less in your wallet that you can spend within WDW. Whether you use DME or not, you pay exactly the same rates as those who elect not to use this complimentary service.
Let me share my experience with you.
October 2004 -- I priced three or four different weeks for the spring of 2005. Two happened to be before the start of DME (May 5, 2005) and two happened to be after. The price quote for all 4 weeks was identical, to the penny. DME hadn't yet been announced to the public (that was around January 2005 or so), but Disney obviously knew they were about to roll it out.
Anyway, what I'm getting at is, at least at that time, there was NO PRICE DIFFERENCE TO THE CUSTOMER whether it was before DME started or after DME started.
One of the larger poitns I was trying to make was that they don't need to "pass on" the cost to the customer because it is itself a revenue generator. It's akin to a "loss leader" in retail -- a store has a bombastic sale on a popular item, pricing it BELOW their actual cost. They aren't crazy. They are actually taking a loss ON THAT PRODUCT, but their aim is to make more money overall by luring customers who will them buy other products in the store that they wouldn't normally buy.
The other thing is that Disney raises its resort and theme park rates every year or so, and there have not been bigger or more frequent increases since the launch of DME.