You bring up an excellent point. I had forgotten about auto-migrators because they encourage not being as conscious about the impact of potentially major change

You bring up an excellent point. I had forgotten about auto-migrators because they encourage not being as conscious about the impact of potentially major changes to data since reading a tool's output is less cognitively engaging compared to writing something that works. But stored procedures are another matter, this could work in a fairly reliable way. Have you used this in any project working in other people? How does it work out?