While I understand this position (i.e., https://xkcd.com/386/), it (along with an unholy union of the Internet, confirmation bias, pay-per-click, and echo chambers) appears to have contributed to an explosion in reality disconnection that is becoming actually threatening, e.g., there has been a surge in "vaccine hesitancy" for rabies vaccines in pets.
At some point, assertions like "[COVID] vaccines are ineffective" need to be challenged (which? over what time frame? where's the data?) or they become "everybody knows ...".
At some point, assertions like "[COVID] vaccines are ineffective" need to be challenged (which? over what time frame? where's the data?) or they become "everybody knows ...".