And people actually pay rather than download a compiled binary? I've sometimes advocated that this could be a viable business model for an open-source project,

And people actually pay rather than download a compiled binary? I've sometimes advocated that this could be a viable business model for an open-source project, maybe even have the license forbid redistribution of binaries, but each person I've proposed it to basically said the expected outcome is for people to just download the (illegal) binaries and give you no money.