It is one of the most delightful movies of this still-young year. It’s got Sandra Oh in the cast and songs by hit-making siblings Billie Eilish and Finneas O’Connell on the soundtrack. And there’s a boy band! And a giant red panda! So what’s not to love about Pixar’s “Turning Red”? Plenty, as far as CinemaBlend managing director Sean O’Connell was concerned. In a mixed review that was posted a few days before the film’s March 11 premiere, O’Connell had a number of gripes. He was bothered by the plot similarities between “Turning Red” (about a 13-year-old girl who turns into a giant red panda) …