The Internet in general and social media in particular are becoming increasingly unfriendly territory for free-thinkers, libertarians, and conservatives
One of the primary weapons of SJW’s and the left, in general, is what they call “no-platforming.” Basically, it means refusing to allow political or philosophical opponents any voice in the dialogue, usually under the idea that some ideas are just too extreme or dangerous to be allowed. It’s the same sort of reasoning that leads to “anyone who challenges global warming or vaccine efficacy should be treated like a Holocaust denier.” Read about it here.