Apart from the focus on data quality, freshness SLAs and column based restrictions, more so for PII data, another focus should be on establishing the data lineage. Every fact / information ever created in an org should offer insights into it's lineage.

One of the problems organizations face is establishing all the clear write paths into the store and documenting the consumer behaviour from the store.

This not only helps with the right asset ownership but is a boon when it comes to figuring out the right migration and upgrade strategies.