Text: I think that what she has unearthed in grisly detail is the uniquely shallow, instrumental, and crass culture of Los Angeles (which I once heard described as high school with money), where looks, fame, and income compose the ranking rules for a truly wacky hierarchy.
Entailment: What she has showed is the true nature of Los Angeles which is shallow, self-absorbed and essentially high school but with rich people.
Contradiction: She shows Los Angeles as some sort of perfect and heavenly place to live.