Since the wanker who owns the building site and the sleazeballs in the Port Authority and the government of the State of New York just aren't getting the job done, I feel obliged to present two alternative visions for the space that is now a gaping hole in the ground:
1) The World Trick Center
Taking a cue from how the descendants of the Dutch settlers of New Amsterdam have organized commerce in their capital city, the new towers will become the center of the sex trade in Manhattan. Historically, this is appropriate, given that in the 18th century the prostitution trade in the city was centered in a park known as "Holy Ground", which was several blocks north of the WTC site. The name "Holy Ground" is a satirical reference to the fact that the park land was owned by the parish of St. Paul's Chapel.
The centerpiece of The World Trick Center will be Spitzer Plaza, a site for alfresco orgies, presided over by a statue in the style of Augustus St. Gaudens, in which the ex-governor is presented with a leering sneer on his face, left arm upraised holding a subpoena, trousers dropped to his ankles, one knee length sock raised to its full length, the other sock drooping down just above the ankle, penis hard and straight at a perpendicular to his torso, and a discarded unopened condom on the ground at his feet.
2) The World Trump Center
While it's true the buildings will be cheap, shoddy, glitzy, and as ugly as sin, at least they will be tall and they'll go up virtually overnight. Just don't walk anywhere near the cranes at the construction site...