Originally Posted by
Ricebucket
It's really very simple... The maps China team was disbanded almost ten years ago. No one is working on it. The OP will find competitors' products to be much superior, including with regards to subway exits. Baidu even offers street view images for example.
Google doesn't own the underlying map data in China. They get it from Chinese data providers. The street map for Shanghai was up-to-date in 2019 but there has been no updates since.