There's a lot of people who don't believe in the said pandemic, that they quote "It is a way of the government to subjugate their freedom". This kind of people tend to do things in a lot in different ways other than what is needed to be done. therefore food waste will still exist even though we're in pandemic.
As for the scarcity of food supply, it MAY exist if the pandemic continues for a long period of time where the supplies will decline as the demand increases. People with below-average income may not be able to afford enough foods to feed their families thus results to hunger. This situation is if and only if the PANDEMIC CONTINUES FOR A LONG PERIOD OF TIME.
Yeah, but those people are - to put it mildly - wrong. Nobody created the virus to subjugate people. They don't need a virus to do that, it doesn't make any sense. It's easier to subjugate people the normal way.
Just because we're in a pandemic doesn't mean food demand increases. Food demand stays stable relative to population. So the threat of food shortages comes from the supply side. It's a non-zero risk, sure, but not a serious risk by any means. There is enough of a social safety net to prevent wide-scale hunger in the US.