Apple takes most of the flak for this marketing strategy, but the truth is that companies have been doing it practically since the concept of "companies" was invented. Economists even have a dedicated term for it.
An 8-year-old girl racked up a $6k tab on her dad's apple account in one month. She was playing free games, but purchasing all the add-ons. Oops. Apple decided to reimburse her dad -- probably to avoid a homicide.