@neauoire I wrote about the tradeoffs between size, speed, features, and simplicity on the toybox design page more than 10 years ago:

landley.net/toybox/design.html

Seriously, the smallest code, simplest code, and easiest to understand code are not always the same thing. You've got to sort of 80/20 all of them at once. (I learned that maintaining busybox coming up on 20 years ago now. Wow I'm old...)