I was actually testing those - they DO dramatically improve performance for XC3 from what I've seen but they're also VERY unstable. I reverted to the latest standard drivers and I haven't crashed in Yuzu since, when before with the beta drivers I wasn't even able to make it past the...
As for the gpu, no, that is not reasonable for quite a few people. Almost everyone has a TV in their living room ready to go with a Switch if they want to play Nintendo games. That $300 gpu has to then be paired...