>>WTF ? I have never heard 10gen say anything remotely like this.
From the "Ease of use" section of their Philosophy page http://www.mongodb.org/display/DOCS/Philosophy,
This means that MongoDB works right out of the box, and you can dive right into developing your application, instead of spending a lot of time fine-tuning obscure database configurations.
There goes the indirect jab to the RDBMS DBAs wasting their time.