> It is in the best interest of a firm like eBay to know whether its campaigns are profitable, but not so for eBay’s marketing department. Isn't this the case

> It is in the best interest of a firm like eBay to know whether its campaigns are profitable, but not so for eBay’s marketing department. Isn't this the case for basically every B2B product? The goal was always to make the purchasing manager look good, not to actually help the other company. So I don't see how this is proof of a bubble, you could say the same thing about McKinsey consultants or cloud computing.