Sorry, there is no heated discussion, the issues are very clear and using ENV is a thing of the past, a bad practice that should not be propagated. Simple.
I'm afraid I have to disagree. There are so many different needs it is impossible to discredit them so simply.
I recommend that readers take inspiration from this model of maturity to see more clearly: https://www.gitguardian.com/files/secrets-management-maturit...