[sofixa]

> Using helmfile (yet another layer of abstraction on top of helm) lets you get diffs between current and new releases

Of the config, not of reality. What if someone made a change in the meantime? Or something is in a half or fully broken state?

> And it’s all templated so could be dynamic.

Not dynamic based on things external to that Helm deployment. You can't have two Helm charts referencing each other dynamically, or anything else external for that matter.