From the article:

>Subcultures were the main creative cultural force from roughly 1975 to 2000, when they stopped working. Why?

>One reason—among several—is that as soon as subcultures start getting really interesting, they get invaded by muggles, who ruin them.

>The muggles who invade and ruin subcultures come in two distinct flavors, mops and sociopaths, playing very different roles.