The phrase "data governance" is so hosed online. In a better perfect world, you would be able to keep up whatever data you felt like sharing and take down the data you didn't. (Obviously third party archives could exist regardless, but hopefully you get my point.)
This whole AI thing could, or at least should, open up conversations about being able to revoke consent in a corporate relationship sense, in the same way you can already revoke consent in a personal relationship sense.