An argument people would likely bring up is that both Bob and Camilla’s actions are not guaranteed. When Camilla decided to push the man onto the track it could easily not be enough to slow down the train in time for the other five workers to escape and get out of the way. But another argument could be that the man she pushed onto the track would alert the train operator to pull on the brake which would slow down the train in time to save the others. Bob, meanwhile, could have technical difficulties when pulling the lever. His intended outcome may not work out because the train would keep going to the five workers on the track. Yet, another argument may be that the loud sound from the train coming towards them may just alert them to get out of the way. There are so many possible ways that people can argue about this situation so there’s no true right answer.
Most people prefer Bob’s choice over Camilla’s because he did not