Even if you find a safe file, the experience is inferior. Smash Ultimate on native Switch hardware has 0 input lag on a good monitor. On PC, between the emulator overhead, vsync, and your USB controller, you will feel significant input delay. In a fighting game, that means lost matches.
He picked Mario; the CPU picked Link. The match started on Final Destination. For the first thirty seconds, it was bliss. Then, the frame rate began to chug. Mario’s jump looked like a slideshow. The audio started to crackle, sounding more like a haunted radio than a video game. Even if you find a safe file, the experience is inferior