I can see both sides of it and I'll posit this argument. 15-25 year olds of any age may never really get old media, but as they grow older, they may find an appreciation of them. I know that many movies and books and things that I loathed as a youngster I grew up to appreciate and even enjoy as I grew older.

For example, I've grown to really enjoy old classic radio shows, decades after they've stopped being commonplace.