Lol, that's not how it works buddy. Aside from the occasional rare shoddy port or poorly optimized indie title, the vast majority of AAA games have become more and more optimized each and every year. Newer APIs like DX12 and Vulkan have brought massive performance improvements that developers have just recently started to take full advantage of. Each new release of the Unreal engine adds more features and optimizations. Graphics effects which previously were thought to be unheard of rendering in real time now can be, not because of hardware, but because of software and rendering engine algorithmic efficiency.

Better the high end video cards are, the worse is games optimised. And high end video cards are becoming very strong. Thats scary