Some of these kids just don't plain know how good they are: how smart and how much they have to say. You can tell them. You can shine that light on them, one human interaction at a time.
Announcers don't do enough of the cat-and-mouse strategy and all the work that goes into it. You watch a broadcast and guys get the pitches wrong.
I loved cinema while growing up and, for the longest time, wanted to be a director.