I think this is part of the game for those who want to buy cheap bitcoin. Because many people say that China is the most bitcoin player, so if the issue arises there will surely affect the price of bitcoin. Moreover, their government strictly prohibits and will launch DCEP. CZ also said that there were no raids on his office, because they didn't have it there. Maybe this is the main ingredient to reduce the price of bitcoin so that the whale can buy a lot at a cheap price.