[ajcodez]

I think it also has to do with the source of data. If you receive data from a third party it’s easy to insert the whole document and figure out what parts you need later. If your data comes from your own client interface it makes more sense to build up the data model over time.

[oblio]

You could just plonk the data in a JSONB, BLOB or just plain old file on a disk with a URL pointing to it while you figure it out. And not introduce another super complex to support dependency...