All part of the planned obsolesence
the makers want. The less time you own a bit of kit that works, the sooner you need to go out and buy another 'improved' model with probably less support time than the old one. Samsung is well known for not updating its phones after a year or two so it isn't unreasonable to expect them to do the same for their white goods.
I won't be buying any of this 'limited use tat' for my home. As for connecting the tat up to the internet? forget it sunshine. It ain't gonna happen.
'Smart' anything is rapidly becoming a word that describes anything but smart. Rip-off more like.