If you wish to port one of the many GPL'd Qt-based Unix applications to another operating system using the Qt non-commercial edition, you need to get that application's copyright holders to add an exception to its license. Similarly, if you develop a new application with the Qt non-commercial edition and wish to license it under the GPL you may wish to add such an exception to your license. The Free Software Foundation has provided the following wording for such exceptions:
As a special exception, <name of copyright holder> gives permission to link this program with Qt non-commercial edition, and distribute the resulting executable, without including the source code for the Qt non-commercial edition in the source distribution.
I assume that RMS is okay with this since the FSF provided the wording. So the GPL isn't out. It's just a little looser. I'm sure you're right about freeware developers.
"When we consider that woman are treated as property, it is degrading to women that we should Treat our children as property to be disposed of as we see fit." -Elizabeth Cady Stanton