It's not rude to the GPL, it's just not collaborative in a way you want them to be?
The four freedoms allow you to share your enhancements with the community, they don't say the original author has to accept them. They pursue their own vision for the software, they give you all the sources and license you need to pursue a different direction.
Stallman has also talked about how "works of art" (pictures, stories, music) are different from "functional" works (software, recipes, typefaces, etc.). He thinks that nonfree "functional" works are unethical, but is ok with a modest copyright time limit before being permitted to remix/modify art:
> But eventually I realized that modifying a work of art can be a contribution to art, but it's not desperately urgent in most cases. If you had to wait ten years for the copyright to expire, you could wait that long
With that in mind, he'd want game code to be published under a free software license, but would be ok if the "art" of the game remained briefly copyrighted. Probably not what modders want to hear!
The four freedoms allow you to share your enhancements with the community, they don't say the original author has to accept them. They pursue their own vision for the software, they give you all the sources and license you need to pursue a different direction.
Stallman has also talked about how "works of art" (pictures, stories, music) are different from "functional" works (software, recipes, typefaces, etc.). He thinks that nonfree "functional" works are unethical, but is ok with a modest copyright time limit before being permitted to remix/modify art:
https://www.gnu.org/philosophy/copyright-versus-community.ht...
> But eventually I realized that modifying a work of art can be a contribution to art, but it's not desperately urgent in most cases. If you had to wait ten years for the copyright to expire, you could wait that long
With that in mind, he'd want game code to be published under a free software license, but would be ok if the "art" of the game remained briefly copyrighted. Probably not what modders want to hear!