In addition to the Spell&Shield video, I also like this short where Brennan Lee offers some comical but interesting perspective on the matter :
https://www.youtube.com/shorts/xrA9n7ywinAedit : also, the comments are hilarious. I recommend.
Funny buy flawed, since wizards would probably study and practice magic, not persuasion tactics. Just as a fighter probably would practice sparring and combat maneuvers, not reading up on how to sell ice to eskimos.
