Abercrombie and Fitch has long walked the ‘adored by teens, hated by adults’ line, what with controversies sparked by their scantily-clad (and strangely hairless) models and ugly-people-need-not-apply hiring practices. But now they’ve pissed off the kids, and they’re fighting back with 70’s-style in-person protests (hey, 70’s is totally IN) of…