Ed. note - FWIW, Stallman and Kuhn are right. Not necessarily in their advocacy of the GPL, but certainly in their description of whether licensing is freedom for the developer or power over others. All licensing stems from copyright law, a completely man-made creation whose sole purpose is to give the writer of creative works artificial power over what others do with those works. If you take the canonical description of freedom ("Your right to swing your fist ends where my nose begins") and apply it to software, it's pretty clear that true freedom would not let one person control what another does with software.
Top Ten Things Overheard At The ANSI C Draft Committee Meetings:
(7) Well, it's an excellent idea, but it would make the compilers too
hard to write.