system
A chat on subreddit /r/pcmasterrace
human
Have a 3090. But I will probably get a 7900 card instead. I've discovered ray tracing isn't implemented well in the majority of games that try, and I want to switch to Linux. Nvidia's drivers suck for that and I've had issues trying with my 3090. So it looks like AMD is the better option for me.
gpt
Interesting to see a use case which favors AMD. I work in the 3D/VFX industry and NVIDIA GPUs are standard everywhere and with good reason. 

As for personal build, i had an RX 580 for a few years and was disappointed. Performance was okay for its time, but what really killed it for me were the drivers.
First time it took me ages troubleshooting after Blender suddenly had random crashes or textures not loading properly until i realized i recently updated the gpu driver and a manual reset fixed all issues. 
 
There is another comment that seems to have the opposite opinion so maybe it's not too bad for others.

I'm having no problems with my RTX 3070 now and everything is great. But at work i experienced issues with 3090s more than once.