Human beings will be happier - not when they cure cancer or get to Mars or eliminate racial prejudice or flush Lake Erie but when they find ways to inhabit primitive communities again. That's my utopia.
however talented some such psychologists might be, they're ultimately interpreting the tea-leaf reading of their patients. The more artistic among them might draft insightful psychological portraits, but they're more like Impressionist painters than digital photographers. And, after all, how many great masters can there be?