There's two problems being discussed in this article and thread:

1) Combining OLTP and OLAP databases into one system

2) Using an open data format to be able to read/write from many system (OLTP/PostGres, analytics engine/Spark)

> I'd argue the bigger value is keeping the data in one storage place and bringing the compute to it.

Yes, I agree with you. This observation is the idea behind #2, and why Iceberg has so much momentum now.