Remember the revolutionary, seemingly inevitable tech that was poised to rewrite how humans thought about transportation? The incredible amounts of hype, the secretive meetings disclosing the device, etc.? That turned out to be the self-balancing scooter known as a Segway?
2. Segways were just ahead of their time: portable lithium-ion powered urban personal transportation is getting pretty big now.
The Segway always had a high barrier to entry. Currently for ChatGPT you don't even need an account, and everyone already has a Google account.
Relative to its siblings, things have gotten worse. A GTX 970 could hit 60% of the performance of the full Titan X at 35% of the price. A 5070 hits 40% of a full 5090 for 27% of the price. That's overall less series-relative performance you're getting, for an overall increased price, by about $100 when adjusting for inflation.
But if you have a fixed performance baseline you need to hit, as long as tech gets improving, things will eventually be cheaper for that baseline. As long as you aren't also trying to improve in a way that moves the baseline up. Which so far has been the only consistent MO of the AI industry.