Have a look at Claymores ETH devfee addresses, Oh yes people are still mining with GPU's but no where near as many as this time last year!
Only those who have an access to very cheap-to-free electricity are still mining.
Check this out:
How the Crypto Collapse is Hurting Nvidia
https://www.investopedia.com/news/how-crypto-collapse-hurting-nvidia/
Moreover, NVIDIA Stock has plummeted and wiped away 18 months of gains already within two days.
The crypto-collapse has almost nothing to do with Nvidia's loses these last days. The mining industry benefited mostly AMD which couldn't sell their cards to gamers or professionals. Nvidia is leading in the AI-department and they're going strong with Datacenters. However investors tend to overact, pushing the stock too high too fast and then fears of a slow down in growth pushed the stock too low too fast.
Oh well... Claymore's software is so dead that we've ended up discussing all random things now!