> There is a quite common "design feature" in official functions which says if you stick to a rulebook you can be covered for indemnity and if you divert from a rulebook you are on your own.

The reason that I don't find discussions of the Trolley Problem very interesting is that we as a society have largely solved for it already: If you take responsibility and change the default state, it is your fault - if you leave it alone, it is nobody's.