I really don't understand the focus on generations. Why don't we just use labels for age groups instead of birth year ranges? Most of the behaviors of a given "

I really don't understand the focus on generations. Why don't we just use labels for age groups instead of birth year ranges? Most of the behaviors of a given "generation" change as they age, so it's not very helpful IMO for much of anything. I also agree that it doesn't really matter what age group the people are in, especially for this article.