They should ruin him. And I'm sure Goldman has enough lawyers on staff/retainer that they can make his life a living hell for relatively little marginal cost.
That's an awfully arbitrary statement to be presented as factual. Clearly the programmer deserves to be punished, and I would argue that he already has been. His professional reputation has probably been permanently tarnished. But does he deserve to be ruined by the federal government? I certainly don't think so. Justice doesn't always have to happen in a courtroom.