Lung cancer isn't a "sudden sickness"?
Hundreds of thousands of people a year are estimated to die from air pollution. Nuclear has killed far fewer over its entire existence, and it would be almost none without the criminal Chernobyl reactor design.
People are terrible at understanding risk, but very good at being influenced by propaganda. Anti-nuclear propaganda has been very effective.
I'm encouraged by the innovation around Gen 4 modular reactors. I think they'll end up being successful, pervasive, and cheap. ThorCon in particular looks strong.