it absolutely does penalize those that drive - especially for locals or almost-locals where it would be silly (or not really even feasible) to fly ... if Driving is the best way for you to get there (for whatever reason) you shouldn't be penalized for that, and this policy does that
My point is that Disney wants people taking ME, they don't want you to have a car on property so from their point of view they would want to penalize people with cars and reward (not penalize) those that take ME because then you are captive to them and stuck on property (or at least, harder to get off property)
I still think they will charge for ME. It's just a matter of time. It's "industry standard" after all.
My guess would be a bit of an overhaul. for the small fee of $20/person, Disney will bring you right to the park! If you check in ahead of time, you will receive a text with your room number and after you have been magically whisked away to spend several hours in the park (buying things!) you will arrive to find your luggage in your room. No more wasting time actually at the resort first! Isn't this a great experience you are DYING to pay for?