This is so true but not limited to just lefties.

I said this same thing to my brother today. He is a conservative and has been an RN for 35 years. He gets defensive whenever the “settled science” of modern medicine is questioned.

Here is direct quote from my text:

If there is any lesson to be learned from COVID, it is that all claims by "modern" medicine must be rigorously and relentlessly questioned. What is accepted today is likely to be upended completely tomorrow, at least in some practice types.