Earlier quoted context omitted.
I think the very fact that reading those descriptions is confronting, if it is to you as it is to me, is evidence that you do need exposure to understand that horrible things happen in the world. I understand it academically, but every time I see or read something like this I realise that I don't really understand it.
it's just sick entertainment covered by explanation "I need to see how horrible the world is", and being the audience you create demand for future shock content at expense of human lives. There're better ways to educate yourself and make the world a better place.
Unfortunately those humans are going to die and be maimed anyway. If those videos are out there, there's a chance of educating people on the danger of not paying attention crossing the road, or using a lathe, or throwing a firework into a sewer, or any of the million other mundane things that people do that don't seem super dangerous on first thought but actually are?