There’s always the extra idiomatic __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED for coworkers that can’t take a hint.

https://github.com/reactjs/react.dev/issues/3896

Something similar happened to me. I told those groups to pound sand because they knew they were relying on something which they should not. Manager had my back, they whined a lot but they had to change and improve their processes.