Largely, the most "technically savvy young people" who you're engaging with on HN these days were not doing those things, but were complaining on their many independent and decentralized communities about all the headaches involved in incessantly being brought in to help those people clean up their messes.
Twenty years ago, it was the wild west. Those who had savvy had staked their claims and knew how to survive safely, but the news had made it to everybody else and rails had been laid and all the starry eyed naive people were flooding in to an exciting, if dangerous, new world of novelty and opportunity. It was very different than what we have now, and grossly less consolidated.