[waltpad]

Maybe because it was tempting: JSON is fairly easy to handle, very portable, and when you look at a JSON document, it's straightforward to think about querying it, and thus DB, although JSON is structured, and DBs are relational.

[nailer]

> although JSON is structured, and DBs are relational.

You can have structured relational databases (RethinkDB for one, but there are others)