We have been presented a lot of videos produced by Nvidia, to show off how good and spectacular the new raytracing hardware works.
In the past there have been lot's of breakthroughs where GPUs enabled new levels of graphics realism.
At each point together with the release of the such a breakthrough GPU generation, these spectacular demos were made available for the graphics enthusiast to run and enjoy them on their own brand new GPU and be amazed by the new levels of real-time rendering quality.
A list of all those generations and accompanying demos (which can all still be downloaded) Nvidia provides:
https://www.nvidia.com/coolstuff/demos
So why are all those new impressive raytracing demos not available now to download and run on available RTX Geforce cards ?