I'll take the risk of some nuclear reactor accidents compared to the inevitability of world wide calamity and wars that will happen because of climate changes and resource limits. It's going to be some risk vs inevitability because the world is not going to change from fossil fuels until it's too late.I don't live some magic reality where the hippies win and we all will embrace each other and be responsible rather than be the tribal apes that we really all are.
World wide calamity is inevitable at this point. It doesn't really matter if we build nuclear or renewables or both, we cannot stop it, because the root cause is capitalism and we cannot replace that. So given that a calamity is coming I would rather build stuff that cannot melt down when unmaintaned.