> So if the explanation was just that the culture doesn’t reward maintaining existing projects, I’m sure we would have heard something about a corporate incent

> So if the explanation was just that the culture doesn’t reward maintaining existing projects, I’m sure we would have heard something about a corporate incentive to maintain stuff. So, two things: 1) Changing culture is really hard, especially at a company the size of Google, and 2) Even if they could change the culture, it's possible they simply don't care or they believe the benefits outweigh the cost.