Why the 2004 movie 'CRASH' is so profound?

We are told, taught and instructed to look at diverse populations and nationalities as homogenous. Asian, Middle East, African, Indian not distinguishable unless further clarification is made in embarrassment and ignorance in our general conversations.

Crash - Rotten Tomatoes

Defend This $#!%: Crash (2004) — Talk Film Society

Crash by Howard Shore

Crash Soundtrack

Riding Giants (2004) - IMDb

7 Reasons Why “Crash” Is Better Than Its Reputation Taste Of Cinema - Movie Reviews and Classic Movie Lists

In The Deep (Bird York) Crash Movie Soundtrack HD

Review: Crash (2004)

Husband of Rep. Mary Peltola Is Killed in Plane Crash, Officials Say - The New York Times

Trite, racist and dull: Why the spectre of Crash still haunts Hollywood, 15 years on, The Independent