China is having an internal information crackdown. It's approaching the nutty level, which probably indicates that Xi is losing it. The latest thing is a crackdown on clothing "detrimental to the spirit of the Chinese people."[1] [1] https://www.bbc.com/news/world-asia-china-66737272
What's an alternate hypothesis? I.E., why might they be doing this besides going insane? So, an alt explanation that avoids the China-crash forever story?
The US economy doesn't stop when we switch leaders regularly.
Certainly there would be changes but they aren't predictable. (For instance the new leadership could censor even more due to not having as established based on less as they got into power by promising less invasive actions)