Singapore is not a great comparison, because construction is largely done by armies of migrant workers paid starvation wages, who are sent back home at the slig

Singapore is not a great comparison, because construction is largely done by armies of migrant workers paid starvation wages, who are sent back home at the slightest hint of complaint (example: https://www.channelnewsasia.com/singapore/nine-men-public-assembly-ang-mo-kio-police-investigating-3013156 https://www.channelnewsasia.com/singapore/nine-men-public-as...). But Japan and Europe don't, and they still manage to deliver public transport for much less.