I'm seeing 1080 Ti cards at near MSRP prices, though 1080's are still badly inflated. It's usually the heavily OC'd Ti models that already had a price premium from the manufacturer that get left in stock now.
I don't have to be a miner to firmly think gimping cards against mining or other use cases is a very bad idea. I hope it doesn't happen, but if it does it will probably factor into my purchasing decisions. I also don't see how it's possible to differentiate niche use cases, any hardware changes wouldn't be able to distinguish between folding, crunching, or mining. The moment NVIDIA or AMD try to do it in software someone is going to immediately hack the drivers to undo it, leaving regular users stuck using gimped drivers or visiting dangerous sites to grab possibly tainted download links for hacked drivers.
Manufacturers, for their part, need to ditch the old man thinking and devote resources/staff to understanding these use cases as they do with gaming. Take it from my industry, getting blindsided by something that should have been obvious yields the orthodox Chinese definition of interesting times.
I understand what you're saying, but the irony is in some respects this was also the problem. It apparently takes 3-4 months to turn GPU orders into shelf product., yet we live in an age of "just in time" inventory practices where there are no warehouses of stock kept as a supply buffer. If the demand exceeded the forecasts then it's just too bad, and they'll order some extra with the next block order. If it takes three or four months to replace inventory the GPU manufacturers are going to have to reassess how they forecast, store, and order these GPU chips in the first place.
This is especially true for GPU launches. It's almost a sure bet that AMD GPUs will launch at minimal supply, and that anyone buying them can then flip them at a tidy profit just because of the scarcity factor. (I found it absurd how many small site or youtube testers were forced to buy Vega cards at inflated prices if they wished to review them in a timely fashion) Hard launches are so infrequent they're almost a thing of the past as well, but if they don't start happening again people are going to just buy up launch stock for reselling later, mining or no mining. The fault with that lies squarely with NVIDIA and AMD.