young people aren't particularly interested in computers from a technical point of view. They've become used to having computers in their lives from a very young age, and they accept them for what they are - tools to enable productivity and an aid to communication.
My children use computers every day at work, and they use them for email and internet access, or work-related tasks at home. Not one of them has the slightest interest in what's inside the case, or in becoming early adopters as far as new software releases are concerned. Computers for them are as much an everyday item as washing machines.
Many older people, on the other hand, look upon computers as objects of wonder and mystery, and it takes them a longer time to become easy around the box on the desk, or the laptop in the lounge. Many of them need a lot of help and support, and if they don't have young people in the house they'll turn to the internet.......and to web forums.
I think it's also relevant that, when any sort of gadget goes wrong, the first reaction of the "make do and mend" generation is to get the cover off and poke about inside, whereas the current solution is "ditch it and buy another."