Humanity died after it's own failure, but rather than embarassing the eternal suffering, they avoided it, refusing to change and continuing their lives in the underworld.

I̶ F̶E̶E̶D̶ O̶F̶F̶ T̶H̶E̶I̶R̶ S̶U̶F̶F̶E̶R̶I̶N̶G̶. 

I̶ A̶M̶ S̶T̶A̶R̶V̶I̶N̶G̶.