If I can't find a place to park, there must be a shortage of spaces. While we have focused heavily on logical reasoning, we must also recognize. However, speakers must be careful with their use of this emotion.
I think that it's critical because in order to be drawn into wanting to prove a point, or sell a product, then you have to see what point are made and what language they used to put that point across. Also, when you are trying to use persuasive strategies, it's good to be aware of what persuasive strategies you used so u draw the reader to your side.
The Nazis thought that their country wasn't "great" because of the Jews so they decided to go with Hitlers final solution plan that puts Jews in a gas room and they gas them out to make their "country great"