I don't think the grandparent poster was aware of the fallacies in his argument; more importantly, it throws the reliability of the original information supplied into question.
Plutonium complicates things rather significantly. Accuracy should not be sacrificed to fearmongering, but nor should it be sacrificed for mere reassurance.
Edit: downvoted for supplying more accurate information with a citation? Classy.
Presumably the correct response to bullshit is to call it out as such rather than producing your own.