> Wind and solar existed in the 70s as well.

Not really. Solar has gone down in price almost 500X since 1975.

https://ourworldindata.org/grapher/solar-pv-prices

Wind has gone down significantly too.

https://docs.nrel.gov/docs/fy12osti/54526.pdf

Meanwhile, the graph for nuclear waste disposal is going rapidly in the opposite direction.

https://www.ans.org/news/article-6587/us-spent-fuel-liabilit...

http://large.stanford.edu/courses/2024/ph240/kendall1/