NVIDIA making a change up in their Add In Board partnershttps://www.tomshardware.com/news/evga-abandons-the-gpu-market-reportedly-citing-conflicts-with-nvidia
Gives a bit of a sour grapes review but also an idea of what it's like in the industry today...and some of the competitive challenges.
Here's another vid on what's is/has been going on.
https://youtu.be/Mm3uzhKnOn8