> because to mention a controversial topic is to risk being accused of supporting it.

Identifying topics which are controversial or perhaps even contextually verboten can be done pretty easily without implying support.

> Alex Jones or Kanye West

If Jones and West are representative examples, then we're not talking about censorship or free speech.

Those are the most famous people who have been kicked off of social media. I will admit to not knowing the details.

The other area you could investigate is the various controversies around Covid.