Simplicity is overrated. Experts often need more than the simple mantra 'do one thing well'. What is often needed for the user (novices and experts) is clarity.

Simplicity is overrated. Experts often need more than the simple mantra 'do one thing well'. What is often needed for the user (novices and experts) is clarity. An unambiguous, clear interface is much better than a simple one. Even a simple interface can be confusing.