I am kind of curious what the actual issues are for Tdisney, the friend, and especially bmtta2003. Please list them, so we can understand and maybe help shed some light on the issues.
As for Tdisney's friend, I think the product purchased is exactly the same (and even better, if he/she bought way back in the day). I also think Disney tries to help with the depreciating market, but they can only buy so many contracts and stay solvent. I would guess the number of foreclosures over the past 2-3 years hit them hard and created an excess of points, which likely hampered the number they could buy using ROFR.
On a side note, these sorts of statements make me sad that we have definitely devolved into a entitlement society. If someone feels personally wronged, they immediately go for the litigation button, even before getting the whole story. Who cares if such an act would cause everyone else to be injured (potential devaluation of DVC from bad press, DVC legal fees paid from our dues, and other unforeseen costs)

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If you have a legitimate grievance, then the community is likely to back you up. If it is frivolous (such as a member who is perfectly happy with their membership and even wants to own at a different resort, but immediately threatens to sue and attempts to tarnish the club's reputation when they discover their points may sell for less than they initially paid decades ago), then it is likely to only hurt the community as a whole.