That's the thing though, in those cases the world you're in doesn't exist in the way that it feels like it does. It's no different from a video game world. Nothing that happens has material consequence. No telling if you even have agency at all, save for the fact that you experience a sense of it.
I don't care why or how I am here. It matters more if this world goes on when I end. If it does, I want to be remembered kindly. This about sums it up for me:
If you told me the world ends when I end, then, it changes some things maybe...