It's NOT the Japanese military.
It's a COMIC BOOK CONVENTION.
The rare wayward, whacko individuals in Japan who are unamenable to control? The guys masturbating in their moms' basements? THIS is those guys, lining up, all orderly.
THESE are the chaotic ones, the loner crazies.
And HERE is the full 1-min non-looped video of them, lining up:
They, TOO, feel their own culture. It's not remote, not geeky, not something they're supposed to "get over", to shun. They live it, breathe it. And they're not electronically dominated by a tiny foreign minority that hates them. A hundred hurricane could hit them.
They'd be FINE.