Saw this: https://www.timesofisrael.com/new-is...t-not-to-kill/
Cited for discussion without an opinion from me. Lots in article. When not to target COM, unchambered carry, social implications and situation for deadly vs. less likely to be deadly firearms usage. What is a deadly threat, necessitating lethal force as compared to other situations. Too much to summarize.
Certainly not what was emphasized for me in classes. Quite different.