There is nothing wrong with escaping reality now and again. Like a well brewed ale, or a good malt whisky, a finely crafted escapist fantasy can be a thing of joy and beauty. But while the occasional tipple can be a good thing, most of us recognise that a bottle of Jameson’s a night is unhealthy for body, mind and soul.
An unfiltered diet of escapist fantasy blockbusters can be similarly unhealthy. As master anti-fantasist M John Harrison expresses it in his essay The Profession of Science Fiction while discussing the appeal of fantasy to young children terrified by adult life, “Many fantasy and SF readers are living out a prolonged childhood in which they retain that terror and erect – in collusion with professional writers who themselves often began as teenage daydreamers – powerful defences against it.”