I’m thinking more of the transplant problem: is it ethical to kill one person to harvest their organs to save five people who need various transplants to survive? It was a follow-up to the trolley problem to explore how something more active than flipping a switch affects people’s answers. Plus there’s a tie-in with the Vidiians.
Random aside: have you seen this video where Michael from Vsauce notes that no one had ever done a blind trial of the trolley problem, and goes about rectifying that? It’s kinda wild