Maybe the kid was tricked into it or just wanted to try something new, even if it turned out bitter.
Maybe the kid is just really hungry and doesn't know any better. Or it could be part of a comical scene to make us laugh.
Maybe it's a story about a kid on a health kick. He decides to swap out his usual snacks for radishes to stay fit and healthy.
Maybe the kid is hungry and wants to satisfy his appetite.
Maybe it's to show the kid's independence or to highlight a moment of solitude. Sometimes cartoons use such scenes to tell a story or evoke certain emotions.
It could be that the kid hasn't been exposed to a variety of vegetable preparations or doesn't know how healthy they are. Sometimes, a lack of education about food can cause this.
Maybe the kid wants to stay healthy or was told to do so by parents.
Maybe the kid just loves the taste of shrimp and can't resist it.
Maybe the kid is hungry and hamburgers are his favorite food.
The cartoon kid might be eating fruit because it's a fun and colorful snack. Or perhaps it's a way to show the kid making healthy food choices.
It could be part of a funny or strange story. Maybe it's a magical world where such things happen. Or perhaps it's just a crazy dream the kid is having.