Ever increasing cards' prices is a very dangerous and risky game for the players that like to try this approach.
Because by charging more and more even for the lower tiers, they effectively kill the progress start in the whole exercise, and throw the people out of the purchasing offers.
Today you bought the RX 6800 XT for 550$ as you say, next year they will offer 10% more performance for 20% more money, and so on...
This is not sustainable and the market will throw them out as a response and feedback for their alogical strategies.
Its another 'death of PC gaming' line, but so far none of that has materialized. The influence on graphics card purchases has been different things, but never really the price per FPS.
People just postpone, save longer, buy second hand more easily, dive down a tier or two, etc. Compromises. But they're being made. It'll take a lot more for the market to vanish, and so far, PC gaming has never - not once - in its history seen continuous decline. And overall, its still a growth market too, even DIY PCs, mind. Not too long ago the whole PC gamer space spewed RGB for example with whole product lines popping up left and right, there are more peripheral companies than ever, etc etc etc. Its booming. And it even did that on the back of a crypto craze and grossly inflated GPU prices.
Its not entirely a bad thing we buy cards less frequently, for example, and make bigger jumps in doing so. And if you look at whole inventory of cards in the hands of gamers - devs are just going to optimize for whatever is the mainstream line of performance, even if it stalls. We've been there a few times in GPU history.
ALSO: consider the emergence of the PC handheld. The PC is now getting in on the low barrier of entry race, for real, and I would dare say its a success getting copied throughout the industry now. And what do you think of VR? It wouldn't exist if PC wasn't a huge growth market with potential. Whoever said we
needed those overpriced GPU stacks hm?