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If you are trying to push the anti-mask agenda, then that boat has long sailed. Scientific evidence from multiple reputable worldwide sources is very much against you.
If you are trying to push some anti-Japanese agenda, might I suggest, to put it politely, that sort of thing is not appropriate here or anywhere else.
I'm really puzzled how my words can be seen as "pushing" any "agenda". My only intent was to point out that "just-so story" (https://en.wikipedia.org/wiki/Just-so_story) is a lame way to explain complex events. People, of course, are happy to settle on it because of comfort it provides.