Consider that is what it took to make people choose to move out of bitcoin.
How fast do we think that capital is going to come back once the party is over.
I would hate to be short at that point
Economic crashes are inevitable as a long term perspective as it happened to EVERY fast growing economy:
US in 1929-1933 and 2007-2009
Japan in 1989-2009 (they spread it over 20 years to reduce the pain!)
Korea, etc (Asia) in 1997
Russia in 1998, 2008 and 2014
China would need to purge it's bad debts, mostly corporate, like US did during the Great Depression.