The reason Switch games are smaller is necessity. It has an expensive cartridge medium and limited flash memory space. Same reason N64 games were much smaller than ps1 games, gamecube games were smaller than ps2 and original xbox games and xbox 360 games were smaller than ps3 because less storage was available. Assets will be more heavily compressed or reduced in quality, video reduced or removed etc. It's like Vita vs PS2, Vita is much more powerful but ps2 had some huge games with 5.1 sound and pre-rendered video that you wouldn't ever see on Vita because they were shoehorning the game into 512MB on Vita cartridge but ps2 could be a DVD with close to 5GB. Some ps3 games were over 40GB using a dual layer blu-ray disc.








