More challenging is to remove the benefit of answering as a bystander and hand over an active role, so now the question is would you torture an innocent to keep the world alive. Then question progresses to what if that innocent is someone you care most about to see the extent of their resolve
Not really. It's more like:
Everyone ending
One innocent ending to keep everyone else alive
That's more challenging.
More challenging is to remove the benefit of answering as a bystander and hand over an active role, so now the question is would you torture an innocent to keep the world alive. Then question progresses to what if that innocent is someone you care most about to see the extent of their resolve