It was merely intended as a joke, and I added the laughing icon to emphasize that point.
Well… I thought it was amusing and nearly wrote it myself.
“The amount of aircraft debris found to exit WTC 1 in the global impact analyses varied, as shown in Figure 7-67 and Figure 7-68. However, no portion of the landing gear was observed to exit the tower in the simulations, but rather was stopped inside, or just outside, of the core. In order to simulate the trajectory of specific pieces of aircraft debris, a fairly precise knowledge of the internal configuration of the building was needed. This is especially true with components passing through the core of the building, where some of the most massive building contents and partition walls were present. Uncertainties regarding the internal layout of each floor, such as the location of hallways or walls, could make the difference between debris from a specific component passing through or being stopped inside the tower. In addition, modelling uncertainties and assumptions might play a role in not matching the observable.”Therefore it is reasonable that had the specifics NIST mention above been fully known and simulated, rather than resulting in “not matching the observable”, it is entirely possible the landing gear would have passed through the structure in the base case, with no bowing, matching photographic evidence of the impact/exit holes extremely closely.
“The amount of aircraft debris found to exit WTC 1 in the global impact analyses varied, as shown in Figure 7-67 and Figure 7-68. However, no portion of the landing gear was observed to exit the tower in the simulations, but rather was stopped inside, or just outside, of the core. In order to simulate the trajectory of specific pieces of aircraft debris, a fairly precise knowledge of the internal configuration of the building was needed. This is especially true with components passing through the core of the building, where some of the most massive building contents and partition walls were present. Uncertainties regarding the internal layout of each floor, such as the location of hallways or walls, could make the difference between debris from a specific component passing through or being stopped inside the tower. In addition, modelling uncertainties and assumptions might play a role in not matching the observable.”Therefore it is reasonable that had the specifics NIST mention above been fully known and simulated, rather than resulting in “not matching the observable”, it is entirely possible the landing gear would have passed through the structure in the base case, with no bowing, matching photographic evidence of the impact/exit holes extremely closely.

