The scientists weren't wrong specifically about the health impacts. But they were wrong about policy prescription. Their domain of expertise is the area of sci

The scientists weren't wrong specifically about the health impacts. But they were wrong about policy prescription. Their domain of expertise is the area of science they specialize in. That doesn't qualify them to know what the best policy is, which requires knowledge of other areas such as economics, politics, etc. The best policy is an inter-disciplinary question.