Given the benefit of hindsight, Courtney Barnett can now see how guarded she was when she wrote her last solo album, 2018’s Tell Me How You Really Feel. Against a backdrop of cultural strife at home (the vote on same-sex marriage saw a rise in violence and hate speech) and overseas (peak Trump years), plus the ever encroaching tentacles of social media’s uglier side, Barnett seemed to lash out.