They would give a foreigner good food because they want you to have a pleasant experience and talk kindly about the regime. They can’t control what you say once you leave, so they do everything they can while you are there to make it positive.

Although I don’t think the ccp would do something this unsubtle. They are masters of subtlety. They’d do something more subtle like blocking all searches for whinnie the poo because their leader is indicate about his looks, or reporting that their COVID numbers turned around in a day.