Yes, China counts as humanity.

What that graph does not show is the reduced production of solar and wind. That means that overall there is less power being generated by green sources. So they are overall producing more greenhouse gasses than if they had just gone full solar and wind.

It seems you’ve missed the point.

We as in humanity. The majority of nations are capitalist nations, and all nations use currency, which means opportunity cost.

Every state and power utility that is considering what to allocate their money on is going to choose the bare minimum it takes to keep the lights on. That means going the cheapest, not doing the most.

China may have a lower opportunity cost due to the tighter control over the economy, but they’re still paying it. China is not in the perfect world situation either. They’re just sacrificing the opportunity cost.

They may take different materials, but until we escape capitalism the only thing that will matter is the literal monetary cost.

In a perfect world, we would be doing both side by side because of the different materials needed. But in the current world the opportunity cost exists due to monetary limits.

With unlimited resources, yes it would make sense to keep building nuclear.

https://en.wikipedia.org/wiki/Cost_of_electricity_by_source

But wind and solar have outpaced nuclear. You can get way more power way quicker with wind and solar than you can nuclear.

And what we need right now is maximum speed. We don’t have time. This transition should be happening overnight, but we’re dragging our feet.

It was worth it 30-50 years ago. But we wasted too much time fucking around.

At this point any money spent is better spent on wind and solar.