They can be wrong about one thing but that does not automatically mean they are wrong about everything forever until the end of time.
Your doctor has told you for decades that light drinking of red wine has cardiovascular benefits. Last year it turned out from new research that this was bogus all along and red wine is just as bad as any other type of alcohol.
Did you stop visiting your doctor as a result? He's an ignorant peasant now, right?
https://www.nytimes.com/2024/02/17/w...rt-health.html
Building regulations used to allow cancer causing asbestos in insulation. They were wrong. Does that mean building regulations lost their authority forever? So many such examples one can mention...
Perhaps that doctor thing is generational thing, because not a single doctor I know recommends red wine. They all are quite clearly of the opinion that any amount of alcohol is detrimental. But they're all in their 30's so...
And I know a lot of doctors. Having them in the family does that.