Have you ever worked anywhere and saw that people didn’t put their friends, family and coworkers ahead of the others?
Have you ever seen a human system that didn’t put “others” behind whatever group they decided to create?
Even nonprofits and charities end up playing favorites. Once any organization gets to any real size it’s going to be corrupt. It’s human nature. All of humanity competes over this world’s limited resources. People will do anything to win.