I meant something else. When groups are not in their own respective bubbles, indeed, non-extremists might be exposed to extremists' propaganda and potentially c

I meant something else. When groups are not in their own respective bubbles, indeed, non-extremists might be exposed to extremists' propaganda and potentially can adopt such ideas, and as a result, increase the amount of overall extremism. On the other hand, similarly, an extremist exposed to non-extremists' propaganda potentially may be affected by it as well, decreasing the amount of overall extremism. Or perhaps the total amount of extremism stays the same and instead it is spread out over large number of people, removing "spikes". I do not know if it is true. But just an idea to consider - the discussed process of de-platforming removes _two-way_ communication method.