That’s like asking why we can’t just eliminate gonorrhea… people keep inoculating each other with the bad shit.

I do tell my expecting parents (who happen to have bad teeth) that they should not test the food in their mouth and use the same spoon with their new child, as they will be passing on their bacteria to the kid. I do also imply they shouldn’t share things like drinks.

Whether or not they listen to me isn’t my problem…