There’s nothing worse than a client stumbling through their WordPress installation and messing with things they don’t understand.
You know how it goes. One fine day the curious client decides to experiment with all those shiny knobs and buttons in the WordPress dashboard. Within a few minutes they’ve broken their site, and they get straight on the phone to blame the whole mess on you.
Many developers try to avoid this unfortunate scenario by restricting the client’s options to a bare minimum.