People are unfairly downvoting you. I like what the FAA does: they separate fact-finding from policy-making after an aviation accident. The fact-finding folks

People are unfairly downvoting you. I like what the FAA does: they separate fact-finding from policy-making after an aviation accident. The fact-finding folks make no recommendations on policy. All they do is find the cause of the incident. Only after they are done do a completely separate group of people address how the problem could be fixed. In your proposal, scientists would be the fact-finders, and politicians would be the policy-makers.