Since the onset of the credit crunch, it's been hard times for merger arbitrageurs. Simply put, there have been a variety of high-profile deals that have imploded.

And, of course, we have a new one: Microsoft Corporation (Nasdaq: MSFT)'s abandonment of its proposed $47.5 billion buyout of Yahoo! Inc. (Nasdaq: YHOO).

Yet, if you look at the stock price of Yahoo!, it looks like the arbitrageurs are still optimistic that a deal will happen. In fact, there is speculation that an activist fund will launch a proxy fight.

Microsoft CEO Steve Ballmer can't get no love. His famous "monkey boy" performance is crazy-popular among those who thrive on poking fun at (and re-mixing) Ballmer's sweaty antics. He's being marginalized as Ray Ozzie and Craig Mundie are groomed to replace Gates (and, we imagine, Ballmer as well) -- and reporters and analysts are jostling to get past him and talk to Ozzie, who everyone seems to adore.

Now the worst possible judgment, from Business 2.0 Magazine. He just doesn't matter. And what's more: he matters less than anyone in business. Ouch.

In conjunction with the mag's "50 Who Matter Now" list (featuring Ray Ozzie and competitive leaders Steve Jobs, Larry Page and Sergey Brin, and worst of all for Ballmer's ego, Bill Gates himself), Ballmer headlines the "10 People Who Don't Matter" segment. "Let's face it: The head of the world's biggest software company is a lame duck," the judgment begins.

A lame duck who decides what happens with billions of investors' -- of your -- cash. Somehow, that's not very comforting.