TL;DR: Simplicity alone isn’t defensible—competitors copy simple products instantly. The moat is organizational discipline: maintaining simplicity over time, which looks like process-power.
A simple product feels inevitable in hindsight. But simplicity is fragile. Every feature request, every customer edge case, every team member adding “just one more thing”—they all erode it. The teams that keep products simple are waging a constant internal war against complexity. That discipline is the actual moat.
Simplicity as counter-positioning works differently. When incumbents are bloated and complex, a simple challenger can out-maneuver them. Slack vs. enterprise communication tools. Stripe vs. payment processors. The incumbent is structurally biased toward complexity—their customer relationships, revenue model, and org charts all assume feature-bloat. They can’t simplify. You can. That structural gap is durable (simplicity-as-strategy).
The first approach requires cultural obsession. The second requires structural advantage.