Ten percent of the American population thinks that Barack Obama is a Muslim. Those are the people that have not learned the skill of filtering information from the vast barrage of inaccurate information that we're all faced with everyday. I think that's a very 21st century skill.
Now that the generation that grew up on '80s indie-rock has attained influential positions in the culture, that music is the new yardstick. And that will shift yet again some day.
I'm not sure I ever try to make a case for the music. I mean, sometimes the music isn't even that good. I just tell the band's stories; if I describe the music, it's to explain how it moved the overall story along.