You forgot to turn </sarcasm off>
Here's how it happened from the article above: "The e-mail message was sent to the potential bidders on March 28 by an employee of Weil, Gotshal & Manges, the New York law firm that is serving as GX's counsel in bankruptcy proceedings. Although the message included only routine information on bidding procedures for GX, it inadvertently named each of the more than 50 recipients by copying their e-mail addresses at the top of the message."