Context:
Permissive licenses (commonly referred to as “cuck licenses”) like the MIT license allow others to modify your software and release it under an unfree license. Copyleft licenses (like the Gnu General Public License) mandate that all derivative works remain free.
Andrew Tanenbaum developed MINIX, a modular operating system kernel. Intel went ahead and used it to build Management Engine, arguably one of the most widespread and invasive pieces of malware in the world, without even as much as telling him. There’s nothing Tanenbaum could do, since the MIT license allows this.
Erik Andersen is one of the developers of Busybox, a minimal implementation of that’s suited for embedded systems. Many companies tried to steal his code and distribute it with their unfree products, but since it’s protected under the GPL, Busybox developers were able to sue them and gain some money in the process.
Interestingly enough, Tanenbaum doesn’t seem to mind what intel did. But there are some examples out there of people regretting releasing their work under a permissive license.
I could imagine MIT might be interesting for Software released by public institutions, that are meant to be used by the industry in any way they want. Sometimes earning money with your product might even be impossible due to restrictions. So, not really Software released with the FOSS philosophy.
Otherwise I also never really understood why anyone would use the MIT license.
I do exactly this: Write code/frameworks that are used in academic research, which is useful to industry. Once we publish an article, we publish our models open-source under the MIT license. That is because companies that want to use it can then embed our models into their proprietary software, with essentially no strings attached. This gives them an incentive to support our research in terms of collaborative projects, because they see that our research results in stuff they can use.
If we had used the GPL, our main collaborators would probably not have been interested.
Then you are pretty much the archetype of what I thought about. :)
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Yeah, maybe under special circumstances that might also make sense.
I think the rub here is that most developers aren’t developing/publishing their own software, but honing their skills on writing proprietary code while also putting food on the table. To that end, a permissively licensed library is better because the company will actually use it and the developer will gain experience with it that they can then use outside of the proprietary environment to contribute to FOSS projects (some of which may well use GPL). If a GPL end user product gets popular enough, it will eventually be able to use all of that gained experience to compete with the propriety alternatives, so I do think the two can work in tandem.
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