Six weeks ago, before Claudia Winkleman launched her BBC One Friday night chatshow, media profiles regularly referenced her “Midas touch” with TV formats. She had left one golden programme, sashaying away from Strictly Come Dancing, but her portfolio still included three other winners: the mega hit The Traitors, its celebrity spin-off for the BBC, and Channel 4’s The Piano. Half a dozen sofa chats later, Winkleman hasn’t exactly suffered the fate of the mythic King Midas, but The Claudia Winkleman Show can fairly be seen as her least glittering work for several years. Ratings are reasonable. Her debut edition on 13 March drew slightly more viewers (1.5 million) than the last show of the 33rd series of The Graham Norton Show, the granddaddy of the genre. Catch-up viewing – generally considered at least as important as “overnights” in the industry – added another 700,000. Even so – and although Winkleman has visibly relaxed into a format where she understandably seemed nervous at first – there remains a sense that this series is a slightly dubious …