Never in the history of mankind have we reached a stage where we agree with each other. There is no need to call each other dumb because of our beliefs, we are dumb because we are human.
At one end of the spectrum we had Mother Theresa ..... the other Ted Bundy. Yet both of these folks have been aggrandized and vilified. Now the battle rages between vaxxers and anti vaxxers, both of whom believe that they are right. In this instance I choose apathetic and will choose my own path and actions.
True to a degree. When we're in a situation where individual actions can results in 10s of 1000s of infections leading to damage or death. Your individual sovereignty starts to be waved for the greater good of the society in which you live.
And while it's true that we all are subjective to our own ignorance at some point that doesn't mean certain actions are not dumb, in fact it pretty much proves that they are.
As much as every human is entitled to their own beliefs when an existential threat is laid out to civilization at large the innate human rights of the many to be safe will out weigh your own needs to believe in whatever.