Ac,- Multiplayer is unpolished, and you can only have 1 main player. Also https://www.wired.com/story/animal-crossing-i-am-not-relaxed...
Botw is empty. Yes, large maps are common in 2020. Elder scrolls, assassin's Creed, and GTA come to mind as full but large worlds. Instead of walking to a destination, you'd often run into side quests.
I'm wondering if you've only Nintendo gamed and are just unaware.