There are quite a few people who are unhappy with the current balance of classes do you think it would be a good idea to get rid of talent trees altogether and make each spec have 1 set of skills they always have?
Some of the advantages would be easier to balance since you only have to test for the skills you know the player will have instead of a combination of talents. It would be easier for blizzard to create a rotation that feels good and skills that work well together instead of having some talents be weak or dead when picked together.
Edit: should mention that i'm more in favor of utility talents and less of talents that change how spec completely plays like MM sidewinders