I’ll be honest, a quick review of this thread did not clearly reveal who was downvoting who for what. My position, and this other person’s, is that downvoting opinions is bad manners and toxic to healthy discussion. If there was genuinely harmful advice there, then OK, downvote away.
(Obviously these days the word “harmful” is thrown around liberally so this probably just puts us back to square one.)
You talk exclusively about Japan, so even if your anecdata is representative, then my point is not “completely” wrong. Let’s begin by using language correctly.