trying to unpack all this.
Sites 4 and 5 are part of Vornado's plan (5 being the previously known "Penn Plaza East")
Site 7 is 15 Penn?
so maybe a net gain of 3 new supertalls for sites 2 and 6. TBH i would rather they build a single megatower at site 2. 1600ft+ mixed use with an open plaza flanking MSG