But we can't. That's the problem. Our culture has become too dominated by tribalism, echo chambers, group think, etc. to even maintain a responsible (and proven to work!) preventative measure during a pandemic. Once you've reached that point, the toothpaste is never going back in the tube.
At the start of this there were people talking about how it might bring us closer together. And instead, yet again, it has further exposed that we are not a unified population, but one wholly at odds with ourselves. And also full of mentally ill sad sacks that believe any conspiracy theory you throw at them, but that's a whole other issue.