At Pitti, Fashion Leaned on the Past

FLORENCE — Fashion is on a dangerous trajectory: ideas are scarcer and quality keeps falling while prices continue to soar. There is only so much that marketing pyrotechnics can cover up. Indeed, it was telling that what was most compelling at the 103rd edition of Pitti Uomo, which ended on Thursday, was the Vintage Hub section: a tiny laboratory where visionaries such as Maurizio Donadi of Transnomadica, Roberto Lonoce of Re_javu and Luca…