Greed. 100% greed. While I was there, the CEO loved to just fly between offices (randomly) on his private jet. You never knew where he'd pop up, and that put everybody on edge, because when he was unhappy he tended to fire people in large chunks (and shut down entire offices). Every decision was motivated by how it affected the stock price.
I'm just an outsider looking in based on a short paragraph, but that doesn't strike me as greed. How does firing entire batches of people help the stock price? Anyone with more business acumen than a cat will understand that it doesn't. "Oh, that office made a mistake? Let's fire the lot of them so they'll learn how to do better next time!"
Based on this, it seems more like an asshole with some attitude problems rather than greed per se.