I relate to all you've said and you've done a great job in collating different experiences that are detrimental to the advancement of our thinking as humans. I have experienced this but it didn't result in the loss of lives, just money and time. I had sealed a deal with someone on a property I was selling, had put in a lot of effort in getting things moving, only to be disappointed days later when he called and said he was pulling out because he was told by his religious leader that the deal was bad/cursed because I wanted to con him. I was speechless, not to mention insulted.
I just accepted it and quietly moved on but I incurred great losses. I had even turned other people down who had better offers because I liked the guy and wanted to give him the property. I spent money running around and getting paperwork done, paid my lawyers etc all for him to bail out. I didn't want to create arguments so I didn't challenge his "leader's" prediction and waste even more time trying to convince him otherwise. I just told him that not all is as it seems and that he should think about what has happened and learn from it. then I went my way.
There's a whole industry in the US of people de-ghosting new houses, or checking for their presence. It's pretty hilarious. Or in your case, infuriating...