Such films might be too “communist” for Americans but they would definitely be too “communist” for the current Chinese Communist Party. They might call themselves communists or socialists but the last thing they want is for Chinese workers to get ideas about organising autonomously and collectively. The last time this happened in 1989, they were ruthlessly crushed by the dominant, conservative wing of the CCP.
(I think that’s the real reason these movies don’t get made: they’re too “Communist” for American audiences.)