Isn’t that the actual point of the “Internet of Things”? Even with nowadays’ falling standards, you can expect to get around 10 years out of your fridge. The companies making them are looking at the smartphones makers and salivating at the idea of making people change their appliances every couple of years.
Never mind DoS attacks, the fact is the planet can’t take any more of this consumerist nonsense and remain hospitable for our civilization; but who cares, only the next quarter’s numbers are important.