China has been bending over backwards to help Pakistan for a long time, yet Mir Bajwa was vexing lyrically about US is our biggest trading partner and Russia was bad for invading Ukraine...
Chinese have now realized that although the British, who also tormented them through out the 19th and early 20th century, may have left the subcontinent, but their Raj still persists in the parts of it that makes up modern day Pakistan, through the native colonial military they left behind. China is in the process of cutting it's losses and moving on. It has invested greatly into Vietnam, Bangladesh and Myanmar and their manufacturing and trade.
Chinese know Pakistan's sepoy army will betray the whole Chinese enterprise in South Asia at the mere glimpse of a Popa John Pizza restaurant.