I think the 2mile is fine. In other sports there are differences between high school, college, pros. It's nice for each level to have somethings unique besides the talent level.
1600 and 3200. Why? Because 1500 and 3000 troubles intellectually lazy Americans! Oh, but they will claim that their superior distances are "American Exceptionalism" and an original thought beyond the comprehension of lesser nations.
You have a wild imagination. Not one person has ever said that American high school students should run the 1600 and 3200 because of "American Exceptionalism".
It's simply 4 laps around a track and 8 laps around a track. Don't try to turn it into anything more than that.