[varontron]

Thanks for taking the time to review and comment.

ETL is a viable use case, one of the first in fact, dating back to 2011, in which we marshalled 100s of millions of RNASeq gene expression values and metadata into a dw.

Regarding other ETL tools, one of the goals of YADA is to make the process easier. The tools you describe are well known and robust, but as you point out, complicated and costly. YADA was designed to be much simpler. Further, it can also be used for a variety of other things, like SPJAs, data analytics, etc, securely, and without additional overhead.