> in practice it's only good for storing documents that don't need to be edited/queried much by the backend storing them Why aren't they good for that? They c

> in practice it's only good for storing documents that don't need to be edited/queried much by the backend storing them Why aren't they good for that? They can have very high write throughput, they don't require ORMs, and they can be indexed and queried using standard database methods like the SQL language. You can even enforce strict schemas on them if you want to, just as you would with an RDBMS.