That initially sounded like a great plan to me , but upon thinking it through a bit , I think the nature of how often things change and ar likely to continue changing makes it a lot more complicated.
I guess bottomline is when dealing with millions of people , not just onboard your ships , but across many countries as well , it is going to remain complicated...
..... Until it's not , when ALL restrictions can be gone and we resume the normal operation of LIFE !