You guys need to try out streaming from PC and/or PS5 to Steam Deck. Technically everything runs on the SD in this scenario. I'm playing FF7 Rebirth on the SD via my PS5 right now, and it is glorious. Helldivers 2 via the gaming rig is also pretty sweet.
Steam's built in Remote Play and Chiaki4Deck are the best!
They are not giving up the algorithm, simple as that.