In the same vein, I feel like the 'fair source' movement makes sense - pay a fixed percent of profit and get access to a massive collection of licenced software

In the same vein, I feel like the 'fair source' movement makes sense - pay a fixed percent of profit and get access to a massive collection of licenced software. Just like with yours though, allocating it fairly is centralized and very hard to make everyone happy. And nobody wants to pay for something that used to be free.