It's an age thing - the dreams you had when you were younger didn't turn into reality - dreams usually don't. Or at least, not as you expect it. Tech is still really cool, compared to decades ago. But we have so much of it and it is everywhere, that we re-calibrate and think that all this amazing, cool tech is boring. You can get a 3D printer for a few hundred bucks, build it yourself, build a better 3d printer, get…
There's also the fact that much modern tech tends to be very locked-down, discourages tinkering/creativity, and is built to push ads/subscriptions/in-app-purchases. But there's rarely a 'wow' factor to new tech any more. Everything is incremental improvement and the era of huge leaps forward is well behind us. The step up from a C64 to an Amiga, or a SNES to a Playstation, or an early iPhone from a feature phone, or…
But that also creates an inherent opportunity for open, 'hackable' versions of the broken, locked down crap. You can see this in much of the embedded ecosystem, where much stuff is unusably locked down simply out of short-term laziness and convenience but many of the most popular products are open.