Using GPL Is encroaching on our rights To encroach on yours.
That's this article in a nutshell. There's nothing new here. Hindering proprietary software developers is the entire point of copyleft. He might as well say something like, "How could you possibly claim that pesticides are safe for use on crops when they kill insects?" Well, yeah, that's the whole point. Sure copyleft isn't 100% ideal, but we have to be pragmatic.
