That way the founders and investors could get out with their cash and Wall St. (read - your 401(k)) would be left holding the bag.
Only if the managers of your 401(k) were idiots.
After all, the Fed is pumping so much printed money into the system something has to soak up all that extra cash.
The Fed doesn't just "print money", either figurative or literally (the Treasury does the literal printing). It has several methods for adding money to the economy, all of which are quite reversible.