Is it more prevalent because we have hard data showing it is, or do we think it is more prevalent because we typically speak with more people in tech because we're in tech and have more experience with them?

I am now a few years post-divorce and in a relationship with a wonderful future wife v2.0, and I will be the first to tell you that my perspective on others', careers, and behavior patterns has changed significantly because I'm exposed to a very different slice of American culture than I was with wife v1.0. You'll find similarities where you didn't expect to find them. The same is true of differences.