When it could not control the inevitable, Is China Shooting the messengers?

After failing to arrest the downslide of its stock market, China has started arresting the analysts, media personnel and short sellers. It is like punishing the child who shouted "King has not clothes".
This only scares the foreign investors.
A report in Financial Times of September 3 gives the graphic details of the Chinese crackdown. Such things can happen only in an autocratic countries.