Their problem is that they can't copy things 100% correctly. They make half baked fake products without proper testing and quality controls, but lots of people gets so attracted of the low price that they buying it. They do not realise that with a machine tool controller the cheap stuff quickly becomes the most expensive one when the machine starts to behave and make errors.
Yes they think that copying a city successfully is just copying the architectures, but they can't copy the people living in those cities.