Does Stockholm syndrome only apply to kidnapping condition?

I mean there should be an implication of meaning that someone(kidnapper) first treats you badly, then suddenly changes his attitude to treat less badly. This sudden change makes the object(hostage) become grateful as a result.

I have searched online but only to find that Stockholm syndrome only describes the kidnapping condition, are there any other words match the above implication of meaning?

Examples: parents first treats their children strictly like grounded for a week, but then change into less strictly grounded for half a week. This change then makes the children become grateful. Another example, China has a Great Fire Wall that separate its people from reaching the world outside through internet without Vpn, after such long time of oppression, the people gradually become obedient by confronting themselves at least they still have the internet to use inside the wall or think that the world outside have dangerous/unhealthy information, yet they don't argue who should be responsible for this inconvenience but continually comply to the governence of Chinese Communist Party.

Stockholm Syndrome refers to hostage's relation to captors, not abductee's relation to kidnappers. Does not require change in captor's treatment of hostage, merely hostage's natural attempt to incur captor's favor by ingratiating themselves with captor. Symptoms tend to persist even after hostage is freed. Behavior can occur in any Dominant / Submissive relationship.