There's useful technology, like computer controlling your engine to make it more fuel-efficient or whatever. And then there're "smart appliances", like a fridge with a screen. Do we really need it? The companies try to sell us more useless stuff, that's what it is.
If people do not want a screen on the fridge, then the sales numbers will tell manufacturers not to make that model. So much of product is experimentation, and often times the research and experiments ends up being wrong. So many products and companies fail when they go to market and find out nobody wants it. The other side of the coin are the products that are unexpected hits... There are so many things that have to…
Doesn't really matter... if Fridge with a Screen makes 4x the profits or simply has a recurring revenue per unit where Fridge Without a Screen does not, then the market will become purely Fridge With a Screen.