2) When would you ever open then (since you need a proactive approach)?
3) How would trade look? I can't think of a single way of halting a contagious virus between countries that wouldn't completely shut us down as a race. The cost to humanity would be beyond imagination. Perhaps on the order of 100x-1000x that of corona.
I wonder why you feel that it is fine to say "too late" for this measure that obviously works. Do you also say too late to lockdowns, vaccine mandates, restaurant and schools closures, and mask requirements. If you don't, then maybe spend a moment thinking if your epidemic response is guided by your political allegiances
Is New Zealand an authoritarian state?
According to their government...
> for this measure that obviously works
it obviously isn't since the various variations of the virus are spreading