This is, quite frankly, just this side of slander. Linux users tend to be far more accepting of open source developers and those who earn money not by selling licenses, but by getting paid for the actual act of writing the software. Many, many Linux developers are paid for their work.
No DRM solution can be considered secure when the user still has the ability to replace the kernel. This is why Nokia is discussing the "closed" and "open" modes for the next device, so the user can decide.