The Smurfberry Suit
Here is the problem, children were ordering extra content from within the app without their parent's consent. One child even ran up a $1,400.00 bill on their parent's credit card. This happened because when they made an in-app purchase, they used the iTunes password, which they got from their parents, and nothing more. This is because many believe that you have to have a credit card to use iTunes purchases, but that is not true or necessary.
The setting starts with parents typing in their password to download a game or other app for their child, and they are not aware that there is a 15-minute window in which Apple allows additional purchases. So if the parent steps away, and the child sees another app, they could download that too.
One element of the Apple process is that iPhones tend to be used by only one individual, whereas iPads and iPod Touch devices are often shared among family members. This can create an environment where multiple users, including children, have access to the App Store and can make purchases.
So where is the blame for this problem? Is it Apple because they had the 15 minute window, and require a second password to be used for the in-app purchase? Was it the parent, for not watching more carefully what their children were doing on the Internet? Was it the developers who were interested in maximizing their apps market by making it easy to buy their product? It does look like all three share some of the blame for this problem, not just one party.