And that's what everyone with an allergy should do - take their destiny in their own hands and stop relying on labels and on nanny state. Buy unprocessed food, bake your own bread, it's not that hard.
I'm a diabetic. 90% of supermarket food is dangerous for me. There are no labels on apples telling me they have sugar. It's on me to count calories and carbo in my food.
I am too (T1). There are in fact mandates to tell us the amount of carbs in a given food. That's how you can count carbohydrates in your food. Raw fruits and vegetables have an exception because that's public information. Unlike the amount of sesame, which frequently gets added under the label "spices" so unless we legally require them to label it, there's no way to know.