In my company we've been through many iterations of our ETL pipeline using the DW extract from Adobe Analytics. Most recently, Adobe representatives have told us we should start using the Data Feed method for our ETL instead.
I asked support directly if they could share any technical documentation that would support the recommendation they made and didn't receive a response.
I guess I am looking to understand what are the use cases for each method and why Data Feeds is the recommended method of extraction for ETL.
Basic difference between Data Warehouse and Data Feed is that DWH send processed data while Data Feed files has raw/unprocessed data. It depends on your business use case which one you would want to use.