I never said that, at the end of the day it's the same thing with audits, you can have 50 people auditing systemd and they won't find every single mistake either. What I'm saying is that simplicity limits room for mistakes and it gives more people chance to look at it and play with it. The concept is fairly straightforward.
Lol. I'm sure you're the only person on earth who can think of all the corner conditions when reading a bash script.
Auditing a shell script for security is near impossible to do.