People who think A.I. will kill us should be worried that concrete will kill us.

There are many materials that could be superior in quality and environmentally benign than Portland cement-based concrete not least the Sulfur concrete which is commonly used in China today

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7660051/

and particularly Geopolymer concrete

https://en.wikipedia.org/wiki/Geopolymer

but all of these face resistance from the Portland cement industry which has already standardized products for regulators.