They always felt gimmicky to me, like something out of a kid's museum, and I imagine I'm not the only one.

Its this odd often blurry and hard to see thing that certainly has interesting aspects but is not something you can create easily at home, unlike a photograph. Then the world changed and mobile devices ruled and everyone had a good camera sensor in their pocket, TVs were thinner and higher resolution than ever, games started looking amazing, etc and there really wasn't any room for less practical things like holograms.

I think its one of those things we just weirdly romanticize like a car that is also a boat or a jetpack, but in reality has no real place as a consumer product.