No matter what Israel claims, when you are able to restrict the food supply of an entire people, as well as travel, commerce and most other aspects of life, you are an occupying power. The rest of the world recognizes Israel as occupying Gaza as well as the West Bank. Occupying powers have legal obligations towards the occupied people. Israle is not only morally wrong with its food warfare, it is acting illegally and should be sanctioned.
Justice Ministry: Information examined by AG about Gal Hirsch didn't come from police (Haaretz)
from the article: 2,279 calories per person: How Israel made sure Gaza didn't starve