Because someone has to tell you what you can and can't do, apparently.
Right to freedom of speech, freedom of press, freedom of assembly, and freedom of... eating pizza in public places. But wait, it gets better! You also have the right to freedom of complaining about the government's poor food choices. And if that's not enough, you can even complain about the lack of free food in the government's poor food choices, too! Learn more about Press Freedom in FoodcomaFirst Amendment: Freedom of the Foodcoma