Free gourmet food 24-hour gym yoga classes in-house doctor on-site haircuts dry cleaner nutritionist swimming pool ... .These are just some of the perks Google -- and many other organizations -- offer employees. Companies have their reasons of course: They want to attract and retain the best knowledge-workers they can help them work long hours by feeding them gourmet meals on-site and handling time-consuming personal chores and show them that they are valued members of the team. But as Wharton faculty point out there may be a potential downside to all this largesse.