They flood an industry with funds and let them all compete with each other. Then they back the biggest winner. A command economy usually mandates X units of Y good. This isn’t quite that.
Its a pretty big detriment to American thinking that they take cold-war era characterizations of the Russian economy and then apply them to 2025 China.
The current Chinese worries are about having too much competition rather than too little, Google "involution" to read about it.