You don't have to call them stupid. The product is a book aimed at young children. Older people are more likely to be parents or grandparents. So those that are

You don't have to call them stupid. The product is a book aimed at young children. Older people are more likely to be parents or grandparents. So those that are more likely to use IE are also more likely to be the target audience. The book seems really cute, as well, and a clever idea. If I was older and had a kid, I might have even considered buying it.