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Separating credentialed but bad faith covid grift from evolving legitimate medical advice based on the best information available at the time did not require anything but common sense and freedom from control by demagoguery.

[wizzwizz4]

And when I'm nice and relaxed, my common sense is fully operational. I'm pretty good at researching medical topics that do not affect me! However, as soon as it's both relevant to me, and urgent, I become extremely incapable of distinguishing truthful information from blatant malpractice. At this point, I default to extreme scepticism, and generally do nothing about the urgent medical problem.