I hear you, but I'll tell you what. I haven't had a serious issue. There's been the occasional hiccup, but I've been on reddit for what 15 years or whatever, and lemmy is doing much better than reddit did in early years.
I'm here for the long haul, I enjoy this experience more.
I've tried both. CEMU works better for me out of the box, but I did absolutely no tweaking. I also run my SteamDeck 100% stock, so I can't speak to anything than a literal "out of the box" experience for both. I'll say, terrible battery life with CEMU and Breath of the Wild. 2-2.5 hours from 100% to dead.