I almost never worry about things I got wrong, unless the error was so egregious that every day brings fresh evidence of how wrong I was; so, hello, GB News. The channel is almost three years old, and it’s just over three years since people started worrying about its provocations: should we be calling for an ad boycott, they wondered? My line was, relax, everyone, and my reasons were threefold.First, GB News would be boring and nobody would watch it. The thing about reactionary views is that they’re nothing if not predictable. They can be incoherent, sure – and argue simultaneously…