Let's break this down.
> rather than cost-benefit must be some sort of cognitive bias because it makes no sense
Agreed
> ...once assessing the upside nuclear is still going to be a contender for the best possible form of energy.
No justification given in the form of a cost/benefit analysis (which the poster just invoked the need for), just a flat statement that it is the "best possible". Note the use of weasel word 'best'.
> having electricity justifies taking some rational risks and is working to undo the damage caused by post-Fukushima overreaction ... there was an insistence on choosing technology ideologically rather than using practical concerns
"Rational" in "rational risks", and "overreaction", also "ideologically" versus "practical concerns" More weasel words, pure emotive invocations.
I could go on, but let's finish with
> that they are cheaper but also less effective at maintaining a comfortable society
Absolutely no justification for this, and completely ignoring the fact that climate change is now kicking in badly.
How the hell did this get voted to the top, because I'm starting to have my suspicions. If it's not shilling then it certainly against HN rules "..don't post shallow dismissals ... A good critical comment teaches us something", this being precisely a shallow dismissal and nothing I can learn from except some people are wilfully blind to what they don't want to see.
Something, somewhere is blatantly going wrong with commenting.