Healthy open source communities don’t just form around code, but also around shared values and a vision for how their work can improve the world. The true measure of the success of open source is its impact— how the technologies we develop are leveraged to bring about positive social, cultural, and political change.
https://www.gnu.org/philosophy/programs-must-not-limit-freedom-to-run.html
The first paragraphs of that are good points. The rest is just Stallman going on a political rant attacking strawman arguments.