While some might or might not agree I thought this was a good read. With the amount of self proclaimed "Operators" trying to pan off their training in Military or LE tactics for a John Wick shootout with that trip to Walmart this might put it into a more real perspective.
https://americanhandgunner.com/discover/being-un-tactical/
https://americanhandgunner.com/discover/being-un-tactical/