A lot of people within the Fediverse should take note of these ideas:
So interesting speech of Guadalupe Nogués about "tribalism" and what happens when you refuse to talk with people that think different (no matter if right or wrong).

Video in Spanish, but English subtitles are available.

https://www.youtube.com/watch?time_continue=11&v=ESwDIXXyh_Y&feature=emb_logo