The World Trade Center complex was somewhat controversial from the start. Many local businesses and apartments had to be demolished to make space for the complex. But this was considered a necessary evil for the revitalization of lower Manhattan. Despite the size of NYC with its 5 boroughs, office space was always a shortage and the WTC was intended to alleviate that shortage while bringing new revenue to the city.
The architecture was not necessarily popular. Many New Yorkers thought the buildings were too austere and would be an ugly domineering presence on the Manhattan skyline. The Empire State Building, Chrysler Building, Woolworth building, etc, was the real New York. When Trump had an opportunity to buy the towers he decried its architecture as too severe.
The WFC, World Financial Center was connected to the WTC complex by a pedestrian bridge, and provided the Winter Garden for a year-round greenhouse oasis. This structure is still standing.
One of the often-overlooked stories of the aftermath of 911 was the massive relocation of businesses effected by the destruction of the WTC 1,2 and 7 buildings. Many took office space in Connecticut or New Jersey. The economy of Lower Manhattan took a big hit.
Personal note: an early memory is my father showing me the site of the WTC construction. If I recall correctly, one tower was already under way and the other was still just a hole in the so-called "tub." In the 90s I worked as a courier and did subcontract work for the Port Authority, giving me familiarity with the North Tower (WTC1). The lobby had a "velvet rope" security check in which you waited on line, had ID checked, and was provided a WTC 1 sticker with the date. You then entered the elevator and if your destination was higher than the 78th floor, you switched elevators in the Sky Lobby. This was very crowded at rush hour and for lunch time, and I knew the WTC was a terrorist target: the 1993 bombing was fresh in my memory as was the FBI having thwarted a second plot. This lack of proper security was alarming. I did not even see security cameras in the lobby! The Liberty Street entrance to the parking garage, used by the 93 bombers, was blocked by a giant concrete block.
Growing up around NYC, the Twin Towers were a part of life. I still have pictures of myself in Jersey City with these iconic towers in the background. They were in iconic movies like Trading Places and Men in Black. This made the destruction all the more shocking. I always thought they'd be standing long after I left the Earth. One day in the library I was perusing old bound issues of Scientific American and read a short article stating that the Twin Towers should still be standing well into the next Ice Age!