"America is still a nation that [...] sent a brave young man from Ohio [pause...] to a [pause...] PLANT! You know who it is, the stars and stripes on the face of the moon, you know who it is"
He couldn't bring himself to say what the teleprompter said because he knows it's not true.
I'm going to be honest. I only watch highlight clips, and read things from people such as yourself who do watch the speeches.
I wouldn't even classify myself as a conservative, religious or a Trump supporter.
Though I do find your theory interesting. A refusal on his part to speak falsehoods, especially ones widely accepted, makes for a trustworthy representative and leader.