It seems like these are questions of conflicts of interest and how the organization is being run. Those seem very relevant.
I absolutely sympathize with them fwiw. I despise DRM and think it's a reprehensible practice, and I would be extremely off-put if my code were being used by one of those companies. I would hate to see them at a conference. But I acknowledge that is my ideological bend, so my opposition there is "ideological"