Based on info shared with me from friends at Disney this is my opinion of what has happend.
We have been AP holders for many years. We never bought it expecting anything but unlimited admission to the parks. Anything else was just an added bonus. As long as Disney discounts the rooms more than rack rate, or
AAA, etc. it is still the best offer.
As with many things at Disney the wheels to correct problems, abuses, etc are slow to turn, but turn they do. This is a another example.
All those people who got on these forums and stated that AP's were not ever checked when they checked in which easily encourages many to not even buy a pass, all those that booked multiple rooms and never had any plans to keep all of them while they waited on the AP rates to come out, even those that used a child's AP ( even though Disney allowed it) have in some way contributed to these changes. Because even though in the past Disney allowed these situations, they never meant for the Annual Pass room discount to evolve into this. The program has always been a perk for a (current passholder), someone that already has the pass. The Internet changed all that.
So if you want to get angry at someone over this change get angry at those that effected the change not at Disney for making a smart business move.
We will continue to buy our passes for their orginial intention, park admission. If we can get a discounted rate then that will be great.