As a responsible parent, you should control what and how your child eats at daycare or school or other people's homes, I think you can keep the food out of reach from them. If your child is constantly reaching for food to take oneself, they may take the food with their rough hands which may cause them sick. And if you don't care about this, at least you need to keep healthier foods within their reach.Kids always love junk foods, which is not good for your kid's health.
Have a look here the results after you leave your child for eating oneself.
