There is no world in which anyone ever designed a game for anything more powerful than a Gameboy where they expected people to see it as a seemless grid of squares so big you can see them from across the room. That’s just not a real thing outside of badly designed modern “retro” graphics. There’s a reason for that. Seemless square grid is ugly. Like, disgustingly hideous. I do not understand why anyone would ever want to subject their eyeballs to the atrocity that is giant square pixels. If you want to do that to yourself then I can’t stop you. There’s no accounting for taste and all that, but just know that I think less of you for it.
Square pixels are a filter just as much as CRT filters are. In fact, they distort the image even more. Even leaving aside all the things that just don’t work right in square pixel land, turning every pixel into a square messes up the aspect ratio of a lot of old consoles. Everything ends up squished and stretched because it wasn’t designed for square pixels. You can call that distorted funhouse mirror version of old video game art “crisp” if you want, but in reality it’s just the cheapest and worst filter.