Since wotc have gone back on every single promise they've made over the years, except one, maybe this is a sign that it's getting closer to abolishing the reserved list
Honestly, the number of people that would be happy without the RL would vastly exceed the number of people that still want it in place.
The whole reason for Master sets and Masterpieces were to satisfy the players wanting more reprints. Obviously selling more product along the way.
They proved, not explicitly, that original printings of cards can retain higher value over newer printings, save foil versions. Especially in the long run.
At least from My observations.
My two cents.