> Now dig up all metals and other construction material used for the steam side and generators in fossil plants and make a comparison if that question is even worth to ask yourself.

Is iron mining and refining as toxic as, say, lithium? Particularly when adjusted for how much extra mining you have to do for a particular amount of end product?

Just throwing out factors to consider like you are doing (and I just did) is not very useful unless you also include some numbers for scale. Do some research and share.