Earlier quoted context omitted.
it takes some mental fortitude to maintain this position, but you have to understand that 99.99% of the time, those other people think of themselves as good and reasonable too. and the feeling of violence is a direct result of identifying with your chosen "side", thus feeling personally affronted. rather, you can create space between who you are and what you believe, and in this way, someone can attack those beliefs…
Unfortunately, it’s easy to bury your feelings and convince yourself that you’re looking at things impartially, even when you’re actually not.
and that's the crux of why diversity can be powerful. it's not about diversity of demographics, but diversity of perspective and thinking that strengthens societies (and companies and teams).