The problem is that as we get older, we tend to value our time differently. Learning a new interface just isn't as important to us as spending that time doing something enjoyable.
Imagine if car companies randomly update the way you drive a car overnight every 7 or 8 years. You go out one day, and suddenly instead of a steering wheel and pedals you have a stick with paddles, then a few years later its changed to something that looks like an oar. Eventually you too might say to hell with it.