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.
and
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.

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