I think the bigger problem is that replication/ingestion (ie: what fivetran does) has come to represent 'ELT'. Likely by design. And you don't need that pesky

I think the bigger problem is that replication/ingestion (ie: what fivetran does) has come to represent 'ELT'. Likely by design. And you don't need that pesky transformation part. Except you really do, when you get beyond having a source system or two.