> It is my opinion that it is not for us, as open source software developers, to decide whose views are valid and whose are not, and to allow or disallow project or conference participation as a result.
You really should not be in open source if you believe it is your purview to ideologically police the usage and contribution to your software. That notion is incompatible with the spirit of the endeavor.
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"