The graphics card demand drop is certainly a serious profitability issue for the Taiwanese suppliers, but this also means that gamers can now get the graphics cards they need for prices close to the original MSRP. Crypto miners are waiting to see if Bitmain's Ethereum ASICs are indeed worth it over GPU cards, however, if the upcoming GTX 11xx and AMD Navi cards would prove even better, we might see the price inflation scenario all over again.
https://www.notebookcheck.net/AMD-and-Nvidia-graphics-card-prices-continue-to-fall-as-demand-is-down-40-in-April.301334.0.html