This is from a time when movie stars strove to be TV stars. Now movie stars want to still be movie stars on your TV and (preferably even) your phone. If the medium is the message, then all stars will be phone stars in the future. And eventually just chip stars. Movie star still sounds the best and always was the best. This is the first bit on the first episode of "Abbott and Costello Show" which debuted in 1952.
"It's clean."