Worth keeping in mind: The goal of public health authorities is not zero transmission events. Rather, it is keeping the R value—the number of new infections per person—below 1, and as low as practical. From that perspective, what they want to do is eliminate the primary routes of spread, rather than all possible routes. (And I suspect this is what they mean when they say things like “asymptomatic carriers are not a major driver”—not that you can’t get infected from them, but that their R value is comfortably below 1, so from a public health perspective they aren’t critical. The pandemic can be stopped without addressing them.)
Worth keeping in mind: The goal of public health authorities is not zero transmission events. Rather, it is keeping the R value—the number of new infections per person—below 1, and as low as practical. From that perspective, what they want to do is eliminate the primary routes of spread, rather than all possible routes. (And I suspect this is what they mean when they say things like “asymptomatic carriers are not a major driver”—not that you can’t get infected from them, but that their R value is comfortably below 1, so from a public health perspective they aren’t critical. The pandemic can be stopped without addressing them.)