I always forgot where I parked my boats. Or that I even had one.
We could do it in 1999. Why has no one done it again? Why isn't there a BotW-engine MMO?
These kinds of games *do* exist, they're just, well, small & niche as they've learned to either build in protections against griefers and/or stay small enough to not attract notice. If you find yourself in the first cluster and not the second, you may want to check out the latest project from Raph Koster, aka Designer Dragon from UO. [1]