One reason could be because your presence at this railroad switch is exceptional or at least unusual in some way. Maybe its worth considering what would happen if you weren't there at all.
When working in a new codebase, it's generally better to assume that something odd is the way it is for a reason, rather than changing it to something that seems right (easier to understand) to you. This is because in the real world, there is so much you don't / can't yet know about a situation that you're thrown in to.
I guess this is kind of reflected in the switch example where its 5 people that tied themselves to the railroad vs. one who didn't, and something like 85% "choose" the 5. How do you know how they got there? That implies so much prior knowledge and background that isn't really considered in the oversimplified "choices" in the website. Maybe they were forced to tie themselves to the railroad at gunpoint, or maybe it's a weird death-by-train suicide cult.