Did reality tv execs have a conference call on repairing their image and decide that, hey, altruism couldn’t hurt? On ANTM the models pose as homeless girls to promote a non-profit. Their knit berets, fingerless gloves and smokey eyes suggest that street kids are styled by H&M. Celebs fired on The Apprentice are blue because their breast cancer foundations lose out. Now Oprah’s jumped in with her Big Give: a show that pits do-gooders against each other in a frenzied competition of who can give the most away. What’s happened to the genre that launched Paris Hilton?