In general. Construction can be made very cheap in dictatorships.
The other thing making things cheap is scale.
China did a lot of things well, but especially on point 1 - we need to hold the line.
Lots of projects are expensive in the west because we care about nature, quality, worker safety and the communities impacted by the work (but also because this all opens the doors to malicious bad faith legal battles that make projects stupid expensive)
In general. Construction can be made very cheap in dictatorships.
The other thing making things cheap is scale.
China did a lot of things well, but especially on point 1 - we need to hold the line.
Lots of projects are expensive in the west because we care about nature, quality, worker safety and the communities impacted by the work (but also because this all opens the doors to malicious bad faith legal battles that make projects stupid expensive)
Japan isn't a dictatorship, nor are France or Spain.