> 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.
Given that Nix is LGPL 2.1 and Nixpkgs is MIT, the project leans more towards the open source camp than the free software camp.