This will only happen if Microsoft also pushes game developers towards ARM64. You're talking about Rosetta but Rosetta is a transition period. If the Steam Dec

This will only happen if Microsoft also pushes game developers towards ARM64. You're talking about Rosetta but Rosetta is a transition period. If the Steam Deck is the only device to run on ARM64, and game developers keep providing only x86 builds, the drawbacks of ARM will outweight the benefits.