MILAN — “We are directed by algorithms,” Miuccia Prada declared after her show on Thursday. “Anything we like, everything we know, it’s because other people are distilling it into us.” Her co-designer Raf Simons added, “You look something up and it’s coming back to you in multiples.” He’s right. An overload of digital imagery is the confusing bane of the modern world. But Prada’n’Simons reckoned they’d devised an antidote with their new show. The idea was that…

