I still say a good, well maintained, fit for purpose system wouldn't need ripping out. People are too quick to add to the E-waste pile IMO.
It's easy to say you swap your car or phone more regularly than your alarm but most of this consumer stuff is designed with a short lifespan in mind and you are trapped to a platform.
A lot of my electronic equipment is 10 years old but its well looked after, I'd only plan to replace it when it's unserviceable.