Perhaps I guess the idea is to convince those in the copyleft content development community that licenses like the GPL are somehow evil and should be abandoned. The arguments here aren't don't a good job as they aren't dealing with the causes that create licenses like the GPL.
The
right to silence are very important to us, even if we don't like proprietary software. We aren't looking to eliminate proprietary software, but a monopoly privilege.
That's a very important distinction.