So the more important question is: did adding software improve things (enough to be worth the “cost”)? With cars, there are certainly many things where it did

So the more important question is: did adding software improve things (enough to be worth the “cost”)? With cars, there are certainly many things where it did improve things: satnav, reverse camera, traction control etc, but also some where it made a perfectly working system worse (ie the “fixed” something that wasn’t broken): touchscreen dashboards.