I have to say that's fairly stupid (I'm talking about the claim which the quote is making and generalizing over a whole population; I am not doing argumentum ad hominem here).
I've seen many sorts of (fascinated) mythical claims on how the Japanese think/communicate/have sex/you name it differently and they're all ... well, purely mythical. Even if I, for the purposes of this argument, assume that beoShaffer is right about his/her Japanese teacher (and not just imagining or bending traits into supporting his/her pre-defined belief), it's meaningless and doe...
With all respect that I'm generically required to give, I don't care whether you care or not. The argument I made was handling what you posted/quoted, neither you as a person nor your motives to posting.