> You can choose not to contribute your changes back to permissively-licensed software, but in actual practice most people do contribute them. They contribute

> You can choose not to contribute your changes back to permissively-licensed software, but in actual practice most people do contribute them. They contribute some things, sure. But the also don't contribute some things. It is hard to know how much because it's kept secret from all of us, even their own customers. > "It's not like the Rust compiler is proprietary software with their own closed-source fork of LLVM..." Rust no, hut there are a lot of proprietary, semi-incompatible proprietary forks out there.