Stadia is dead because if you have a data-center of GPUs you are using them for AI. It has nothing to do with input lag and graphics degradation.
The latency was no good even on fast internet for even slow games. It is and was pointless.
That made no sense and wasn't a viable business model.
https://www.denofgeek.com/games/why-google-stadia-failed-shu...
> beforehand...
is about the craze, the ChatGPT moment and beyond, when GPUs demand went exponential, not when various types of Ai algorithms were available
... history is helpful ... google didn't - and still doesn't - understand gamers, same for all the other Ai hucksters, gamers are among the most anti-Ai