I think the issue is more that they won't talk to each other. There are plenty of places on the internet where you could go to talk to people who hold different

I think the issue is more that they won't talk to each other. There are plenty of places on the internet where you could go to talk to people who hold different viewpoints from you, but most of them seem to follow a common pattern where one viewpoint becomes the majority viewpoint and then become more and more hostile to the minority viewpoint until everyone who holds the minority view leaves.