story
Sadly they seemed to have tied themselves in all kinds of self imposed knots when it comes to spreading their reach via social networking sites.
See * https://www.fsf.org/twitter * https://www.fsf.org/facebook
You can't change today's world if you're not a bit pragmatic. FSF may make some correct objections but if you're not properly present on some of these platforms your reach will remain limited.
To effect change you need to be part of the world of today -- warts and all. Only then you can you change it. Rejecting the world by putting your head into the ground is a strategy that will often fail. Only when you become extremely big and influential can you help determine the rules of the game.