Fox and Friends May be aping some mass communications techniques and Trump may be aping them.
He is not quite a stupid as people would like to think however he is not a genius.
He has studied the nature of charisma and Hitler was an obvious enough source. Vocal control is a major part of this for example, see how sensitive he is about the mic.
In the real world I have worked in escalation management in a couple of rich corporations. I have a deep voice with a certain timbre. People used to think I has some ninja skills as I had a basically 100% resolution record (never went legal) but it was mostly that people obey larger gorillas.

One must also repeat the caller's words back to them, use their language and don't get fancy. They are putty in your hands as they over-relax with you, the person who is actually going to help them for once.
Trump's dad was a big Normal Vincent Peale fan. Trump was into pop-psychology early like any salesman. Then there is the darker side he learned from his lawyer & early mentor Roy Cohen.

