If they don't want to help those who are starving in other nations, they could at least use the food to help those who are starving in the US. But to just destroy it is inexplicable.
TLDR:
"the Trump administration has given the order to incinerate food instead of sending it to people abroad who need it ... Within weeks, two of those sources told me, the food, meant for children in Afghanistan and Pakistan, will be ash. ... staffers who sent the memos requesting approval to move the food never got a response"