At that price nuclear is already dramatically cheaper than coal - about half as expensive based on the analysis you linked.
The thing is, it's not clear which externalities are priced into renewables. For instance, is the cost of cleaning up this disaster where rare earth metals are mined/refined priced into wind power? [1] Burying the turbine blades forever? [2] How about the cost of the global scale e-waste problem yielded by covering the earth in solar panels which last 30 years? [3] How about power storage - all that lithium?
I'm fine with nuclear, I'm fine with wind, I'm fine with solar. There's no such thing as "green" just shades of black.
Whatever gets us off carbon fuels - yesterday. I strongly doubt the pricing is what's reflected in those charts - they tend to underprice the externalities of everything non-Nuclear. Even if they don't though, I don't really care, at this point decarbonizing is worth paying double for power. I'm not sure how good a deal we're getting is going to matter when we live on Waterworld.
[1] https://www.bbc.com/future/article/20150402-the-worst-place-...
[2] https://www.bloomberg.com/news/features/2020-02-05/wind-turb...
[3] https://www.wired.com/story/solar-panels-are-starting-to-die...