> The Japanese in this sense are big pitchers

What did you expect from an isolated state where there was no natural selection to taboo sex, because there were no serious epidemics of PTSD? The feeling of something dirty has clung to our brains because until the twentieth century, no reliable latex, nor reliable medicines for everything-excluding-HIV foolishly existed!
I will tell you more, this your noble Catholic-Celibate Europe, before the first epidemics, did so that it could still be overwhelmed and overwhelmed, the current level was not close. Chemical rubber engineers probably deserved the Peace Prize for fifty times. No curvature engine has done as much to end harassment and violence as they did to banally eliminate the root cause.