Nazis make plans. Authorotarians, cartels, syndicates - they have back room deals. And we have our share of them - notably trump and his ilk, or the various factions of the gop.
But seriously - it's the whims of a nurse deciding to mistreat someone; the cop beating kids; politicians protecting themselves at the cost of hurting people.
That's why trump feels powerful: a dozen of him and his cartel, and a million fuckless bad actors who don't even care.