They do this to phones (especially Iphones), printer cartridges, cars and just about any other product they can get away with. Digital rights management software is preventing people from using devices they bought under the premise of copyright and safety. The farmers feel it the hardest but everyone should be aware that everyday you have less rights to use the things you bought just so some CEO can give himself a 20 million dollar bonus instead of 10 million y seedling you a subscription to something you bought.