This solution to the paradox of deontology, may seem attractive, but it comes at a high cost. In Trolley, for example, where there is neither agency nor using in the relevant senses and thus no bar to switching, one cannot claim that it is better to switch and save the five. For if the deaths of the five cannot be summed, their deaths are not worse than the death of the one worker on the siding. Although there is no deontological bar to switching, neither is the saving of a net four lives a reas