Another way to think about it is how interesting it is that humans can be so easily influenced by strings of words. (Or images, or sounds.) I suppose I would characterize it as so many people being earnestly vulnerable. It all makes me think of Kahneman's [0] System 1 (fast) and System 2 (slow) thinking.

[0] "Thinking, Fast and Slow" https://en.wikipedia.org/wiki/Thinking,_Fast_and_Slow