

looking at the junction points on that diagram only one side of the axle would change track if the switch was pulled resulting in a derailment so you could ignore the possibility of hitting the people in the middle thereby reducing this example to two parallel but unconnected trolley problems
i choose to kill whoever calls them trolleys and not trams
If you are going to make me put a coin into a cart because you don’t trust me to be an adult and tidy up after myself without being nannied, then I am going to do my damndest to bypass your lock and leave a mess out of spite.
In the shops where I am trusted and not required to pay a coin (I never even carry cash these days) I tidy up because that is the decent thing to do.