The picture shows that the son asks his father a question. The question is "Why am I going to school if my phone already knows everything?"

As we know, everyone should go to school to learn something and knowledge. Because something can not be learned for phone.

In the school, we have to learn lots of class about math, art, English and more. The phone can let you to know how to draw a picture? The phone knows everything but it is not your knowledge. Next, we can meet many different classmates in our school. We talk about others and make new friend. The phone can let you to know how to talk with others?

As far as I'm concerned, we should go to school.