If you buy a newspaper only to let your dog pee on it, are you a user of the newspaper? Just because you (or your child) don't use the product in the way it was intended doesn't mean you're not a user as far as the provider is concerned.
(And the fact that there was a monetary transaction for the paper is not unlike going through the pains of downloading and installing an app on your phone.)
(And the fact that there was a monetary transaction for the paper is not unlike going through the pains of downloading and installing an app on your phone.)