Conversation

Non-commercial licenses, etc. are the evolution of what people wanted from GPL and why they were using it. Vast majority of developers using it were doing it in a misguided attempt to get sustainability and contributions back to the project. Includes biggest adopters like Linux.
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People like Linus never bought into the Free Software movement. The vast majority of large projects using GPL never cared. Many of those are now going to move on to restrictive licenses. It's not just companies. A lot of other smaller projects are starting to move too.
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Vast majority of people already moved on to just using MIT, BSD, Apache 2, etc. and a lot of the major projects still using GPL are now moving to these non-commercial licenses if they're in a position to do it. It's why they used it in the first place: restricting usage.
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Linux kernel GPLv2-only ecosystem is much different from the Free Software movement / ideology. They have a totally different take on what the license means, what it accomplishes and why it should be used. Linux kernel, Git, etc. aren't part of the Free Software movement.
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It doesn't actually force you to give back at all. It's more their intentional API and code churn forcing people to do that. I don't think there would be any substantial difference in practice if the project was Apache 2 licensed. They're fine with portable closed source drivers.
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