Fashion, the It-girl Alexa Chung once said, is just what happens when you have been wearing one thing for ages, then get bored with it. Is this the reason Fleur Jaeggy has become so fashionable, because readers are tired of big books and humanist fiction, all that inwardness that isn’t really inward, all those vulgar, boring families with ‘all of the advertising’, as Jaeggy once put it, ‘on their side’?