That's not the sense I get from their manifestos. They seem to come more from a "freedom of end users to modify/share the software they receive" perspective, not the more cyberpunk information-wants-to-be-free perspective. The reason they like copyleft is because it makes it harder for a user's freedom to modify/share any software they receive to be restricted somewhere down the line: you're guaranteeing that not only are your immediate users given that freedom, but so are any indirect users of your software, via any derivative-works path.
