Inori
NAWF
If you fight dirty you better be ready to kill or be killed.
If you fight dirty with some people they'll most likely respond accordingly as if their life was on the line.
Makes no sense trying to abide by some vague set of rules that you aint sure if the next man thats about to attack you is or isn't going to follow IMO
It's levels.
Like random encounter in the streets with someone you don't know.... No rules. Fight to kill.
Lots of witnesses, cameras at work etc. Just defend yourself and try to walk away if you can.
Friends or family. Keep it clean as possible. No weapons. Unless a kid was hurt or touched.
It really comes down to situational awareness.
I hear ya fam but I mean... I wouldn't go as far as being on some fight to KILL shit.. My goal is only to end the muhfuckin fight in my favor by any means(for the first and second situation you listed)