What happens when Chinese netizens bad mouth companies?

businessweek.com — It had the makings of an online crisis that could spiral out of control. A man in Tianjin had put a deposit on a Toyota (TM) Corolla, then started venting on the Internet when the car failed to show up after three months. Given the anti-Japan sentiment that rages in China's cyberspace, the griping created a big risk for Toyota...