Speaking of Seattle, the 99 tunnel was pretty large in scope with the world's largest tunnel boring machine. Construction started in 2013 and opened to traffic in 2019.
"Boring of the tunnel with the 57.5-foot (17.5 m) diameter "Bertha," at the time the world's largest-diameter tunnel-boring machine, began on July 30, 2013,[69][70] and at the time was expected to be completed in 14 months" [1]
We also have the lightrail projects with total funding of over $54 billion. Pretty large in scope with variability in success and budget[2]
I do think the push for ethics in AI is important. As much as these functions do get sidelined in the prioritization process as outlined in the parent comment, the intent of introducing the rigor is valid.