Neither does watching the special features for how they did the fight choreography for Batman Begins, kid.
Don't try to talk down to me. If you want to, we can set up a fight and all of Massassi can be there.
I want FGR aka Miss Massassi to be the hot girl who carries the round sign around while we're sitting in our corners and kirbs is pumping me up.
Yeah, serious business man...
Tae Kwon Do was the one I studied the longest. I was blessed in that one of my longest time instructors beat the **** out of me on a regular basis, and so I developed some agression. Then I got an instructor who made martial arts his life, and so I got introduced to lots of instructors to the Salt Lake "scene". I played around with Wing Chun, Kempo, Aikido, Iadio (yeah, the sword one, but it did so much for my mindset) and yes even some ninjutsu, though I don't know how authentic it was, and some BJJ.
Then theres the accumulation of weird stuff from MCMAP during my military time. Whats great about that is I learned a lot of harmless restraining techniques. The last time I got in a fight I got hurt pretty good but I didn't even have to damage the other kid to get out of it. I was pretty proud.

But also, I've gotten exposed to a lot of backgrounds, because all the Martial Arts instructors have different backgrounds. Not that I'm particularly skilled in any of them, I was a ****ty student and I'm no badass, but I can hold my own against even fairly skilled fighters.
And yeah, I am generalizing a bit, but I did edit my post (sneaky yes?) to add a caveat that there are a lot of other reasons to study martial arts. Plus, all the other things you learn
can contribute to real fighting skill, but only if you have the right mindset in learning them. And there are certainly martial arts that focus more on this practical aspect, to be sure!
Epstein didn't kill himself.