I didn't play Starfield on my Steam Deck I played it on my main machine because I need at minimum 60FPS. Hell most Deck users don't even recommend playing Starfield on Deck since the game is CPU heavy.
Good but the facts remains. Either games can be enojyable on all platforms regardless of quality and perfromance or they can't on all platforms because of the quality and perfromance. 60 is 60 everywhere.