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I think what you are describing is Apple Silicon GPUs delivering good results with sheer power. However, when the same titles are adopting TBDR you'll get faster rendering time or higher resolution. Cyberpunk is a good example of porting properly done.

Skipping unnecessary operation during frame rendering is always better for games.

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I don't think I am. Even before Apple released Game Porting Toolkit, Crossover could play the game at nearly the same framerate as native: https://youtu.be/mEZJFjhLAbc?t=46

Looking at this kind of footage really does not convince me that "porting properly done" is worth enduring a library with no games. Nevermind the fact that the game runs fine through translation on the $400 Steam Deck hardware. You really are overstating the difference it makes.

It’s not needed for old games, but as I said: Cyberpunk is an example of port properly done. It’s not something achievable via simulator.

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