One entity provides advice, a different one applies it. Cargo cult: The advice is applied incorrectly. Carrot problem: The advice is provided incorrectly. Ho

One entity provides advice, a different one applies it. Cargo cult: The advice is applied incorrectly. Carrot problem: The advice is provided incorrectly. How to distinguish the two, without understanding the details? Looking at what worked doesn't help. Checking the motivation for providing the advice is asymmetric. Any other ideas?