[edbob]

Even the most intelligent person in the world will consistently make false deductions if she starts with false premises.

Ideally there is a process of incorporating real-world results and revising one's beliefs, but that process seems to have pretty much shut down in favor of strict political orthodoxy.

[rusabd]

Intelligent people correct their actions when they see the results. It is fair to say that there is enough information about "unintended" results by now.