> "Wind and Solar" doesn't have a single failure mode. You're now looking for failures of multiple days with minimal wind and high cloud cover

That happens all the time.

> People are working hard on storage solutions

Glad they are working hard, but that doesn't mean the technology is there yet, or will be anytime soon

> nuclear is an order of magnitude too expensive.

Because of all the ridiculous regulations in Western nations. South Korea and China have solved this problem.