system
A chat on subreddit /r/pcmasterrace
human
It poses a lot of technical limitations too. PCIe bandwidth is limited and those wires have to cover a ton of distance, even with gen5 you would be looking at latency issues sending RT and raster data between two separate GPU cores.  Unless you wanted to resurrect the SLI bridge...
gpt
Imagine two 4090s in one case lol.  That poor mobo