It certainly wasn't their intention, I'm also sure of that. I'm also sure that Wizards has a lot of demographic information on sales, spending habits, etc. that most of us don't have. I know I spent more in my 20's than I do now in my 30's precisely because I'm working full time, have children to pay for, a mortgage, car payments, etc and have less disposible income than when I was in high school or university, despite increased earnings.
The real life equivalent of "always fighting orcs" as one advances up in levels (or age).
