To them you you didn't "buy" the product. You just purchased a long-term rental which can be rescinded at any time determined by the content seller without warning to the consumer.
An excerpt from Intellectual Property attorney Seth Greenstein's email to NBC News about online retailers.amazon.co.uk wrote:Per our Conditions of Use which state in part: Amazon.co.uk and its affiliates reserve the right to refuse service, terminate accounts, remove or edit content, or cancel orders at their sole discretion.
Please know that any attempt to open a new account will meet with the same action.
This is why if I want to watch a movie I'll go out and buy a physical copy. At most I'll "rent" the movie from Vudu, Apple, or where ever.Seth Greenstein wrote:All sales through Apple and other online retailers are subject to terms of use that set forth the conditions of sale. You may buy a track from the iTunes Store that can be used on a certain number of devices, or a copy of an e-book that comes with restrictions as to the ability to lend or the devices on which it is viewable — a “sale” with “conditions.” The “conditions” apply only to the person who entered into the agreement; they do not necessarily bind a third party.
Gizmodo
NBC News