>>41099835It has to do with the number of vertices/triangles in the models and the resolution of the textures. The switch can handle more, but due to either not having enough resources to hire modelers (hah), time, or poor optimization hogging all the CPU/GPU usage, they can't put higher quality stuff in. Also it's possible poorly programmed shaders (which includes lighting, anti-aliasing, etc.) contribute to the blurryness/low resolution of the game, as well as them possibly just forcing it to run on a lower resolution.
That's just from my rudimentary understanding though.