I honestly doubt that will happen, but not because of hardware limitations or anything. It's because people assumed the Steam Deck would be what got devs/pubs to work on optimization for moderate/lower-level hardware. And excluding with indie devs, we all know how that turned out (primarily because Valve has yet to sell even 10 million Steam Deck systems - it's not the "Switch Killer" that pirates and Steam fanboys thought it would be).
But more to the point? If third parties actually cared one bit about optimizing their games for anything beyond the PS5 and high-end PCs, they'd have been utilizing proper optimization tactics as early as the Switch, rather than relying on the crutches of framegen and similar to compensate for poor, rushed, and shoddy optimization. (Like Monster Hunter Wilds has clearly been doing on PC to poor results, to the point it's labeled as "Unsupported" on Steam Deck due to having such terrible performance even on the lowest settings.)