None of my packages have ever been interactive, and they never needed any answer(4) files. I agree with you that packages should never be interactive, because a

None of my packages have ever been interactive, and they never needed any answer(4) files. I agree with you that packages should never be interactive, because at that point, automation is lost and one of the core capabilities of packaging defeated. Such things are usually done by inexperienced personnel who view packaging as a burden rather than as a strategic advantage and an extremely capable automation mechanism. I am none of those people.