Butterfly Effect is not accounted for (how many innovation we would lose are not quantifiable). Children who never master the basics will grow up to be less pr

Butterfly Effect is not accounted for (how many innovation we would lose are not quantifiable). Children who never master the basics will grow up to be less productive and to earn less... by 2040 education lost to school closures could cause global gdp to be 0.9% lower than it would otherwise have been—an annual loss of $1.6trn. The World Bank thinks the disruption could cost children $21trn in earnings over their lifetimes—a sum equivalent to 17% of global gdp today.