[throwaway823882]

You know how you can build an app's tests to generate new tests based on a schema, to test all possible permutations of a data structure using all possible data inputs? That, but for databases.

In Security this is known as "fuzzing", but instead of looking for security vulnerabilities, you're generating test data for databases. Your test data should cover all possible customer data inputs. Then you not only don't need real customer data for testing, you catch bugs before a customer does.

[rurounijones]

That isn't useful when you have a reported bug and need to investigate and debug. Which is the scenario I am assuming this "quickly and easily copy prod to ephemeral test environment at the press of a button" setup is designed to make easy.