Absolutely not. To an extent, societies are at their core about dividing ourselves into groups. The problem is that it's become so much easier to do, and once you are in a group, you have far less contact with others.
That said, I do wonder to what extent things are in some way "worse" than at a previous point.
Just listened to this podcast this morning so I haven't really had time to let my thoughts coagulate yet but it touches on both of these points so I thought I would share the link: https://youarenotsosmart.com/2018/02/26/yanss-122-how-our-unchecked-tribal-psychology-pollutes-politics-science-and-just-about-everything-else/