Earlier quoted context omitted.
It's overall beneficial for society to switch to nuclear. The problem you posed is just a market structure implementation detail. Government could operate the plants, or they could offer insurance to private sector operators.
I'm pro-nuclear but the idea that insurance fixes everything is strange to me. How much insurance money fixes you getting killed, would you say?
If someone gets killed at work, how much do they get from workers' comp? What is a micromort and how much does one usually sell for? What did weregeld used to be back when it was still a thing?