That is, until the worst happens and you're the one left standing with blood on the walls. Then a great many people grow an opinion about how defensive your self-defense really was.
It's an aspect of the world I don't particularly like. Personally, I think it's a spiritual cousin of slut-shaming. But the fact remains that our society jealously guards its approval of who gets to be violent and how.
I'll admit, I laugh at a lot of the jokes. Seen the elephant enough to get the gallows humor. But I don't cheer them on and I don't wear the t-shirts.
Gods forbid, the worst happens to me, I'm gonna have enough of a bad time with my size lummox suits and resting war face. I don't need some prosecutor having more weight to his argument that I spend my weekends eating souls.