to be charitable to the author, it's not so much that the ideals aren't good ones, it's more the preening self-regard that the upper
middle
class (author's words here, and it's an important distinction) holds while engaging in this lifestyle. Not to mention the judgmentalism that they cast while doing so.
Where the argument breaks down is that he connects this with some sort of oppress-the-poor policy program, when in fact the crowd that most loudly crows about its yoga practice and organic food consumption is squarely behind the policy program of living wage and universal healthcare.