My view, personally is in essence people are buying
DVC for a WDW vacation. So, I think resale restrictions were really silly in that context. It's not that you're going to buy DVC so you can go to Orlando one year and Cancun the next... You're buying DVC because you have made a commitment to going to Disney World and want to "stay magical year after year"... And, they started the restrictions at arguably one of the nicest resorts - and one that is on the skyliner and has relatively easy access to two resorts.
The amount of money I'd save saying I'll spend that at RIV every year would well be worth the cost savings. And, if I wanted to stay at another resort I could rent my RIV points and then book a rental at one of the other resorts and likely come out ahead due to the points chart inflation at RIV. That high points chart also would entice me to purchase at RIV resale because of the cost savings.
There are other reasons why I am personally unlikely to buy Riviera direct or resale, but I have long felt that the best value in the DVC system is RIV resale contracts. The tower structure and high
points charts mean dues are likely to stay low, the low resale prices offer value as well. Unfortunately that value on the resale market is coming at the expense of the direct buyers who bought it initially and now have to take massive depreciation when they sell.