Perhaps humans don't need to have it too good; just living like this current state is pretty decent.
The gifts the gods bestow upon mortals should be random rather than fixed. It is for humans to hope and pray for their favor, not to exchange it for a clearly marked price.
However, the gods only sporadically regard humans, for they had long understood the Divine King's thoughts. From Pandora, whom they had created together, they saw Zeus's will.
Nevertheless, even for the dignity of the gods, the Divine King would not allow the Bronze Humanity, who blasphemed against the deities, to proliferate and become masters of the earth.
Therefore, they failed to notice that at the edge of Aurora, a 'demigod' as they understood him, began to teach the primitive skills of physical training to the surrounding people, using that place as the center.