Each generation is different from the one that precedes it. Sometimes these differences are stark -- the era of Eisenhower leading into the Woodstock years, for instance -- and sometimes they are much more subtle. An overlooked way to examine the size of these generational differences is to compare the buying habits of one generation to another.
Why are we always trying to cater to Millennials? In media, marketing, human resources, education, all you hear about is "how do we please Millennials?" In terms of selling to Millennials, I get it - go ahead, test out a product with them all you'd like, make it colorful, whimsical, add some bacon - whatever appeals to them so you can make money.