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It is also unmaintainable and expected to run out of fuel in the future. (very distant future)

I wonder how the stats stack up between damage from all the worlds nuclear accidents, and damage from the sun ($ spent to restore degradation of materials from UV, skin cancer, etc.) Bit moot since the sun can't be switched off.

UV is definitely higher -- there are about 300K new skin cancer cases per year world wide and about 60K deaths per year from it. Most (although not all) of these are due to UV exposure. That being said, before you blame the sun itself, a lot of this is due to ozone depletion (which is still a thing even though sometimes people make it sound like the problem is solved just because the ozone hole is shrinking)

https://www.wcrf.org/cancer-trends/skin-cancer-statistics/ https://en.wikipedia.org/wiki/Ozone_depletion

Don't forget to account for the approximately 100% of the global food supply which needs sunlight to grow.

Sure; however, the energy density is too low and 1GW power plant takes much more space than a compact nuclear power plant. Solar panels also degrade and need replacement.

But yes, sure, we need solar too.