Buckets and objects are not enough

S3: Simple Storage Service. It's a building block, and it's only natural other abstractions are built on top of it.

Why do they put everything into one huge bucket? Wouldn't the best way to clean it up be to create more buckets?

The prefixes are not meaningless, they are performance boundaries as well if you read the docs.

I feel like this is what delta lake and ducklake are largely solving for. And then some.