On top of that, a lot of discourse seems to happen with an assumption that you only make the tech/stack choice once. For the majority of apps, just doing basic

On top of that, a lot of discourse seems to happen with an assumption that you only make the tech/stack choice once. For the majority of apps, just doing basic CRUD with a handful of data types, is it that hard to just move to another DB? Especially if you're in framework land with an ORM that abstracts some of the differences, since your app code will largely stay the same.