They would already have banned right wing people long ago - if they could.

Fortunately for us, the four essential freedoms apply to all, without exception.

For that we have to thank Stallman, who has been coincidentally (or maybe not?) thrown under the bus by pound me too about a year ago.

Oh, and between the people and organizations cancelling him there's also Red Hat, which is starting to dominate the Linux ecosystem with the old tactic of forcing everyone to use their stuff (SystemD and Wayland most notably) as to choke any alternative.