Why would you assume that vaccine hesitancy is uniquely American and immutable phenomena? Why would you assume 2 shots of vaccine is enough for life when a new

Why would you assume that vaccine hesitancy is uniquely American and immutable phenomena? Why would you assume 2 shots of vaccine is enough for life when a new variant pops up every month? As an official, how would you pick a country to send vaccines to when most of the world has lower infections and death rates? How would you ration your vaccines when FDA may authorize them for younger kids any day? What about vaccine mandates? Those are supposed to up the demand, right?