But when you're hacking, you use whats available, often outside of the intended purpose of the components. You make the impossible, possible, today, rather than years from now.
So Cromemco was selling a totally non-consumer friendly item, but they made prosumer digital photography available 12 years before anyone else, and while this didn't benefit a huge number of people, this kind of early exploratory product creation can influence lots of other people to do things with it, that eventually spawns off industries.
I think the first real AI breakthrough, or what we think as SciFi style AI, might come not from researchers or large companies, but from some hackers mashing up a ton of techniques and approaches that make no logical sense to combine, and can't be fully explained, but somehow "work".