Don‘t think like that. Medicine is a complicated field as well, but after evidence based medicine was invented death rates were going down.
It is certainly possible to find and enforce lists of best practices.
The flip side of that is that despite how awesome modern medicine is, we still can't get people to get vaccinated (for free!) and put a mask on their face during an infectious disease emergency.
You will find that people just suck no matter what field you work in.
