I mean, if I buy a game on steam and valve goes belly up, how do I retain my games? Game companies were all too eager to stop selling physical discs for PC games and instead give you a code for you to redeem. And you can’t sell it after you play it like with console games, because it goes against most PC game companies’ terms of service (edit - …to sell your account)
If you buy a security camera that is only available through the cloud and the company stops paying for the cloud service, all you have is a paper weight