Twitter was awash with mockery last week, after Adam Levine, the singer of the American group Maroon 5, was interviewed on Apple Music and told Zane Lowe: ‘It’s funny, when the first Maroon 5 album came out there were still other bands. I feel like there aren’t any bands any more, you know?’ Out came the outraged, citing their favourite bands with fanbases numbering in the dozens.