It is true that Western civilisation does not provide any positive content - but it doesn't deny it either. Each one of us is responsible for our own life and can choose whether to remain comfortable, mediocre and apathetic or to fill one's life with some positive meaning. Indeed, many have.

By all means, Start a fight, Prove you're alive - call it 'Jihad' if that inspires you, but fight your own mental daemons, not other people.