There is no direct need for Tether to have that money in stock, as long as the exchanges don't try to (all at once) exchange USDT for US Dollars. And why would

There is no direct need for Tether to have that money in stock, as long as the exchanges don't try to (all at once) exchange USDT for US Dollars. And why would they? People keep giving them real hard cash in exchange for the exchanges USDT's.