Here is an interesting article on it that you may like: http://www.dailymail.co.uk/health/article-5354519/Meditation-DOESNT-make-better-person.html

Perhaps those eastern spiritual techniques were never designed to help western consumers mask their anxious guilt.
Maybe they don't work because those techniques create a temporary sense of peace by excluding awareness of problems rather than resolving them?

Whatever it is, we can observe that eastern spiritual "practices" are a major industry :)