In writing, strategy, execution, architecture, and everything else: Simplicity and clarity are always better than more.

Goldratt shared some excellent insights on this:
Summarizing the theory of constraints in one word: Focus.
There are no complex systems in reality.

He spent a lot of time using nature as a model for how efficient and effective systems should be analyzed and designed.

“The first and most profound obstacle is that people believe that reality is complex, and therefore they are looking for sophisticated explanations for complicated solutions."