Shorting is bad period and should be limited or done away with completely. It is nothing more than manipulation and stealing from investors by insiders who controll and run the markets. They are selling fake shares/markers that are worthless and that they have nothing invested and usually don't buy them back unless they can do so at a profit. They will also continue to short a company in order to manipulate and controll the PPS as to erode investor confidence in the company so they will sell at a loss.
What a damn shame that this country and world has come to this type of morally corrupt markets.