>The issue is if you suddenly cut back oil countries pivot to bringing coal back because it's the fastest to scale up.

That may have been true a couple of decades ago, but as of 2023[1] it was significantly cheaper to build new solar than to continue operating existing coal plants. And building new coal plants takes 5 years.

1. https://pv-magazine-usa.com/2023/01/30/building-new-solar-pr...

It’s not that useful if you don’t have enough storage.

And in more northern latitude you’ll still need to turn those plants back on since just won’t at all for at least a couple of months in winter.