Brokers don't trade with their own money, they trade on behalf of clients.
They make a living by charging their clients a small commission for making the trade. Brokers make money when the market is going up, and they make when money the market is going down.
But I clicked through anyway, and, looking through the pictures, I started thinking about the stereotypy of emotion al expression, which reminded me that someday I should read Darwin's "The Expression of the Emotions in Man and Animals" (http://human-nature.com/darwin/emotion/contents.htm).
So, no upvote for the article, but not totally useless to me, either.
FUD at it's best.