I'm not sure of your point exactly, but the bulk of the emissions is and has always been the combustion of the end product and that makes it a no go in a net Zero future.
As for windmills and solar panels, there's ways to reduce carbon emissions by using green power to manufacture. If low or zero carbon cement can be figured out for windmills it's the same. CCUS on a gas plant likely makes it uneconomic in the future, but maybe that could be a use
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