I think the article hints at this but I wonder if civil political discourse is over for people even despite the fact that people of differing beliefs don't live

I think the article hints at this but I wonder if civil political discourse is over for people even despite the fact that people of differing beliefs don't live next to each other and intermingle. It seems that enough people spend a lot of time online and can hang out virtually in their circles anyway and get caught up in groupthink.