I'm confused why you are describing a Venn diagram where Japan is in one circle and the vaguely defined "Western liberals" are the complement. Yes, the current

I'm confused why you are describing a Venn diagram where Japan is in one circle and the vaguely defined "Western liberals" are the complement. Yes, the current administrators of Japan can set a governance policy on who it attempts to allow to go through "approved" channels. Enforcing it, and especially attempting to enforce it to prevent, what I believe would be fair to summarize your prior comments, cultural contamination, won't work for the cause I've already mentioned: synthesis of external influence.