That is not collaboration, the test audiences don't make the films or have any decision making power, they are polled for their opinion and then those who create the films make their own creative decisions based on that input.
DDO players have some involvement in shaping the game, but its not in our control, nor is Turbine in any way obligated to do as we say or to answer direct questions because it is not a partnership. They make the game, we choose whether we pay for it. While we have influence, we are not generally collaborators.