I’m fully aware that esteemed colleagues Mads and Martin believe that Usability is Not Enough. Me, however, I belong more to the It Would Be a Damn Fine Start school of thought.
Here is my home doorbell system (a 2004 model). Right (TH) is left, and Left (TV) is right. Except for the ground floor where Right is right and Left is Left. Fair is foul and foul is fair…