How is this fixed, truthfully? By censoring or oppressing one side of the argument, so that divergence from the status quo becomes invisible or perhaps illegal.

How is this fixed, truthfully? By censoring or oppressing one side of the argument, so that divergence from the status quo becomes invisible or perhaps illegal. People disagree; people have always disagreed. The fact that we are now repeatedly being told this is "toxic" is part of an ongoing campaign to suppress dissenting voices. It seems often to be the case that speech which oppresses people is "free"; while speech which identifies that oppression is "toxic".