Simple systems are the best systems

When it comes to systems design, John Gall knew his stuff. He even has a LAW1 about it:

A complex system that works is invariably found to have evolved from a simple system that worked. A complex system designed from scratch never works and cannot be patched up to make it work. You have to start over with a working simple system.

Gall isn’t the only promoter of simple systems. Here’s Dijkstra (maybe you’ve heard of him?)