Thing is, sometimes the interface should make you think - when you're not yet trained on it and the purpose is inherently complex. HOTAS in aviation might be a

Thing is, sometimes the interface should make you think - when you're not yet trained on it and the purpose is inherently complex. HOTAS in aviation might be a case of "don't make me think", but it is built on hundreds of hours training your body till it understands the movements of controls intimately enough. Similarly a well trained operator on "clunky", "ancient" Mainframe system can handle for example your airline booking with great finesse and speed, and similarly with Bank tellers - meanwhile "intuitive" interface often ends up with people mousing and mousing and mousing to hit the right menu