On reflection, I'm increasingly thinking, this (almost a) disposable car situation is probably where we have been headed to, for a large number of reasons.
Let's consider the cars side mirrors.
The mirrors of cars from many decades ago, were just that, 'mirrors'. If it needed replacing, e.g. a parking accident. You just needed to change the mirror glass (fairly cheap, £7 ?), or the complete unit, which was also probably reasonably priced, many decades ago.
These days, you usually have an incredible amount of functionality, crammed into the limited space mirror.
They can be electrically heated, electrically adjustable, flashes when someone indicates (part of the assembly), is electrically retractable/foldable. They can also, detect passing vehicles (electronically), have cameras in (I suspect, possibly lane change detection), and probably other stuff.
So, in order to put all that functionality into a relatively small space. You have to have assemblies, with lots of stuff on PCBs. Many motors, mechanical bits, sensors, heater(s), etc etc.
Therefore, instead of the old days, when it hypothetically can be repaired for £7 (guesstimate of many decades ago pricing), by buying a new mirror glass. The whole unit probably needs replacing, and it probably costs a small fortune, to get it repaired (changed).