I don't think owning tools or not has anything to do with age, it all comes down to what people enjoy doing. Everyone on this forum likes to pretend we fix or build things to save money, which is definitely a nice perk, but most people who own a lot of tools and talk all day on a message board about them do it because they enjoy it. It's their hobby. And most people are friends with like-minded people, so the concept of not owning tools seems odd when you're surrounded by people with similar interests.
Most of the older people I know don't own hardly any tools and couldn't fix anything right anyways. My father in law I'm sure has a hammer and some screwdrivers, but he hires people to fix or build everything, and I doubt he could fix much even if he did have the tools. He works in IT / computer programming type fields and I'm sure he knows way more about computer programming than I do, because that's what he enjoys.
My dad always had tools, but just what he needed to get by, and never high quality stuff. He wasn't your typical "loves to tinker with things" kinda guy, but he built our whole log house on his own, just learning how to do things along the way and buying or borrowing what he needed. Funny thing is I never learned a great deal about how to fix or build things from him because he was learning on the fly himself. But he did definitely show me that you can learn how to fix or put anything together, and to not be afraid of trying.
Overall the large majority of people don't really enjoy fixing things or tools, and a large majority also don't have the mechanical inclination to figure out how to fix most things, or how things go together. Whether it's family or neighbors, the majority are lucky to have the basics in tools.
I worked around auto mechanics that drove run-down, beat up cars, who said they spend all day fixing other people's cars so they don't want to have to work on their own on their off days because they're sick and tired of it. Then other guys that spend all weekend polishing every nut and bolt because that's what they love doing. Which to me is just another example of enjoying it versus not enjoying it.
I've got tons of tools and a car lift, but it's all because I just like doing it. I like that it saves me money, but that's just a bonus (and I'm sure my wife would tell you that I waste a lot of money in other ways).