This morning the Landmarks Commission voted to calendar Sunnyside Gardens for a public hearing.
Take a look at the map of the proposed historic district:
Sunnyside Gardens Historic District Map
They also designated 3 more buildings in Greenwich Village. The first floor of the one shown appears to have been remodeled in a similar fashion as the Hackett Building's was yet this structure was somehow not considered to have been "altered beyond recognition."
COMMISSION DESIGNATES THREE FAR WEST VILLAGE BUILDINGS AS NEW YORK CITY LANDMARKS