One danger is that the volume of toxic people does actually create large numbers of actually toxic people. For example when mainstream influencers or politician

One danger is that the volume of toxic people does actually create large numbers of actually toxic people. For example when mainstream influencers or politicians endorse racist views even indirectly, it can shift give others permission to start saying the same things. Then that causes the other side to go further to an extreme on their side. And so on.