If being nice turns out to be the best strategy for curbing this movement, then I am all for it. If screaming in their faces about it turns out to be more effective, then we have to do that.
I would love for everyone to be able to "rejoin society" but at a certain point we also have to defend society against those who reject it in harmful ways. Not every illogical cult-like community is as harmless as flat-Earthers.