I still don't think the correct solution is to just give up on the relational model and store a bunch of denormalized documents. Just because Drupal has technic

I still don't think the correct solution is to just give up on the relational model and store a bunch of denormalized documents. Just because Drupal has technical debt (which is not surprising to me) doesn't mean it's impossible to model a CMS in a relational way. Can you point me to a particular part of Drupal which is well suited to the Mongo document model over relational, versus simply 'well it's relational now and they cocked it up'?