Hey! That’s OUR stuff! We, the American taxpayers, bought it and paid for it. It should be brought back and given/sold to American citizens.
But this kind of waste is nothing new. After WWII, tons and billions of dollars worth of stuff were abandoned, or worse, dumped into the sea, in all theaters.
During the Fall of SIgon airlift, the sailors pushed helocopters and other equipment into the sea.