This is a false dichotomy, we have more options on the table than coal or nuclear.

Developing countries currently in the process of bringing a basic[1] modern standard of living to their people. They do not have the luxury of choosing any power source other than the absolute cheapest, which is currently and will continue to be coal for a long time. Many other options become available if you fix the local economy, reduce exploitation from foreign businesses, and grow local governments into a modern democracy that is interested in long-term problems. So

> [... l]et me know when you fix humans, companies and governments[.]

[1] e.g. washing machines that allow ~half of their population (usually women) to have the free time to get an education and contribute to the economy instead of spending all day hand-washing clothes/etc.

Not at 10 cents a kWh, and if we want the lights to turn on when we want.