It will never happen, but my dream is for the Asahi devs, Valve, and Apple to all get together to build out a cross-platform Proton to emulate and play games built for Windows on both x86 and ARM hardware running Linux.
A Steam Deck with the performance and power efficiency of an M-series ARM chip and the entire library of games that run on Proton is just...dreamy.
1) everything standardized, like it or not (note: I do not), on the Windows API, and it has remained relatively stable, which is important because
2) Linux-native games I've had, have become un-executable over time without semi-regular maintenance, and Windows games running on whatever version of Proton they best work with do not have that drawback