I think they mean the medical system is collapsing in Okinawa, not the entire country. I can see that my toot’s meaning could be read both ways. I will try to edit to clarify.
I’m glad to hear that in the absence of appropriate public health directives. 30-40% are doing the right thing and masking on public transit. We should be doing this in the US as well. I’m very lucky not to need to use public transit right now, as so many others are forced to.