I'm not the person you asked, but I assume their basis is that the majority of the Adult US Population is overweight or obese.[1]
However, we're conflating the related problems of hunger, food insecurity, and malnutrition. Food insecurity at its most extreme will result in hunger (a lack of any food), but the affordable food that is available in food deserts (and at food banks) is often ultraprocessed and incompletely nutritious, which can lead to obesity.[2]
Largely, Americans don't seem to be affected by "hunger" as defined by the United Nations Food and Agriculture Organization[3], but are very affected by malnutrition and food insecurity (as defined by that same body).
However, we're conflating the related problems of hunger, food insecurity, and malnutrition. Food insecurity at its most extreme will result in hunger (a lack of any food), but the affordable food that is available in food deserts (and at food banks) is often ultraprocessed and incompletely nutritious, which can lead to obesity.[2]
Largely, Americans don't seem to be affected by "hunger" as defined by the United Nations Food and Agriculture Organization[3], but are very affected by malnutrition and food insecurity (as defined by that same body).
1: https://www.niddk.nih.gov/health-information/health-statisti... 2: https://pmc.ncbi.nlm.nih.gov/articles/PMC9790279/#jhn12994-s... 3: https://en.wikipedia.org/wiki/Hunger#Definition_and_related_...