The bane of humanity is this continued "we" and "they" mindset. There is no "we" and there is no "they".... there is only "us". The separating of us into opposing factions causes us to fear and fault-find the portion of "us" now designated as "they." We foolishly attribute all evil to "them" and all good to "we."
Who the "we" and the "they" are is irrelevant. The "they" might be people of a different class, or a different country, or a different gender, or a different age, or a different colour, or different politics, or different religions/no religion, or whatever. We have trained ourselves to see the "different" in others, rather than the "us" in them.
So long as this mindset prevails in our philosophies of life and good and right, so long shall we be at each other's throats out of "fear and loathing and sickness unto death"* of "they."
Those who've bought into the concept of the evil "other" fail to notice that the "evil" of that "other" is largely imaginary. "They" are, as are "we," of a different viewpoint as to how life is and/or how it ought to be. "Their" viewpoint is just as legitimate to them as is the viewpoint of "we" to those of our group. "We" stoutly defend our right to have our point of view respected while, at the same time, making every effort to deny the "they" any right to have their point of view respected. We forget that respect is a two-way street.
Although quite understandable in a world where this mindset predominates, I deplore the continuous attempts of each side to gain and/or maintain dominance over "they." I deplore that each side finds it necessary to demonize the other. I deplore the hatred and the distancing of one human being from another that this mindset fosters.
But, most of all, I deplore how we humans are such a long, long distance from resolving this horrible dichotomy; how far we have yet to go to become even moderately mature as a race, and how we usually make no attempt to do so at all.
Of course we don't..... How could we hate the "other" if we did that?