Looking at the "dossier" in the mail, it was actually quite a well considered action. For all Farage's bluster, the document repeats several times that once his mortgage was repaid he would no longer meet the criteria of holding a Coutts account and therefore they would close it and move him to a normal account. They did consider at length the potential reputational damage of having a client like Farage and they definitely felt they were better off without him, even knowing that he would be frothing all over the media, but the predominant reason for closing his account is that he is not rich enough any more.
