It's not really anything new: Most people generally don't want to entertain ideas highly contrary to their own. Enshrined in the the old adage that you should n

It's not really anything new: Most people generally don't want to entertain ideas highly contrary to their own. Enshrined in the the old adage that you should never discuss religion or politics in some circumstances. Thanksgiving dinners have been getting ruined for decades by it. The rate of that happening has very likely increased though.