The mountain does not go to Mohammed, Mohammed goes to the mountain.
That is, politics is not something you can opt out of. Choosing to do or not do certain things impacts certain individuals and groups. The result is politics. It comes to you. If you operate any system by which humans can communicate, politics is inevitable.
While true, if you've heard of any of the happenings at GitHub, you know it's not that simple and that they have been aggressively political in the past.
twitter has been the birthplace of many emancipatory political movements. How was it ever not political? Furthermore, how are they wielding the ban hammer badly these days? Banning abusive assholes like Milo for example who make the site less fun for everyone else should happen more often, not less.