Actually, yes. It allows for easier unit and integration testing as well. The original complaint is that things were getting hard to read and they wished there was code for this. It seems logical to create a framework for the json configuration files so that they can be easily mocked and tested. As someone who greatly values spending time on automated testing, it seems weird to not think of it this way.

Quick google shows that others have done things like this already...

[1] https://noise.getoto.net/2021/10/14/using-jsonpath-effective...

[2] https://aws.amazon.com/about-aws/whats-new/2022/01/aws-step-...

[3] https://docs.aws.amazon.com/step-functions/latest/dg/sfn-loc...