I know a mainland Chinese person who completely cut off his own parents after they kept treating his wife poorly, a couple of decades ago when the country was much less developed. Culture is no excuse; a just person (for lack of a better word) is not going to tolerate their parents mistreating their partner, regardless of where they're born. People who accept terrible behaviour from family just because they're family only encourage them to continue such bad behaviour; terrible parents won't stop being terrible parents if they don't face any consequences.

The Chinese language even has a rude word for someone who slavishly obeys their parents, "走狗", literally meaning "running dog".