It’s all the Dunning-Kruger effect. We are cursed to continually fail on the side of you don’t know what you don’t know.
I had this idea in my teens that we really needed a common sense brigade. Small groups of people jury style that would just go from place to place and say hey that’s stupid Don’t do that. Because I could see right from wrong I assumed that we just needed a bunch of people that could also see right from wrong to go around and lead the idiots to reasonable decisions. It was very easy for my 15-year-old mine to see black and white everywhere. It’s all good versus evil and smart versus stupid.
Many decades later, I know grasp that most of the world’s problems are because people tries to fit everything into black and white.
The directions specifically lead through using a docker host and an elastic search host, But there’s certainly no reason you couldn’t just do that on your own.