Software is one of the most valuable technologies of the Information Age, running everything from PCs to the Internet. Unfortunately, because software is so valuable, and because computers make it easy to create an exact copy of a program in seconds, software piracy is widespread. From individual computer users to professionals who deal wholesale in stolen software, piracy exists in homes, schools, businesses and government. Software pirates not only steal from the companies that make the software, but with less money for research and development of new software, all users are hurt. That's why all software piracy -- even one copy you make for a friend -- is illegal.
Compare that to this, from the GNU Preamble
When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs; and that you know you can do these things.