Commercialization isn't necessary for innovation. Stallman sees a world where software is free because it's abundant. There's a whole different system of economics there. Your current business model is based on our free market system where profits rule which means that giving away your software for free is stupid and unsustainable.

Different economics means much less competition and much greater co-operation. Even if there are perfect copycats selling overnight, they're hitting a different market than yours. They may going after a local market or one based on a particular language