Why should we make every speech policy around the extreme fringe of content? Overtly racist content does happen too often including against white people in the

Why should we make every speech policy around the extreme fringe of content? Overtly racist content does happen too often including against white people in the BLM era--which isn't to say that whites have it harder or any such thing--but why does that justify policies that restrict lots of socially critical speech (e.g., challenging the factual basis for a given movement or citing research on the efficacy of nonviolent protest or publishing an interview with a Black man whose views defy media stereotypes [0])? [0]: https://nymag.com/intelligencer/amp/2020/06/case-for-liberalism-tom-cotton-new-york-times-james-bennet.html https://nymag.com/intelligencer/amp/2020/06/case-for-liberal... I get that it's hard to craft precise moderation rules, but drafting policy based on the rare exception seems strictly harmful.