Billie Eilish has been promoting her new 3D concert film and starting lots of discourse. First there was vegan discourse (a classic), and now we're back to the evergreen subject of phones at concerts, which is also topical considering Phoebe Bridgers' current no-phones shows . Scenes from Hit Me Hard And Soft: The Tour Live In 3D show audiences made up of thousands of fans, and it's impossible to ignore the amount of phones in the air, replicating the moment into infinity. You can't help but wonder if it's necessary for so many videos of the exact same thing from different angles to exist. Eilish, however, has a different take. "My generation and the generations below, we love to film stuff. All I do is film stuff and take pictures of everything all the time," she said in a recent interview with NME about the concert film. "I guess some people do it for clout or whatever, but who cares?" "You want to share what you experience," she continued.…