That is not called "critical thinking", that is called "generalizing" and "minimizing". Cognitive distortions. Exactly the thing that critical thinking exists to counter. Your attempt did not even address the impossibiity of anything but a toppling portion from either damage.
You have again generalized the issue of heat and steel. NOTHING happens to steel columns when exposed to red orange flames for an hour or two. NOTHING. It's all in you head, just where the perps want it.
It was an impressive picture, and .... if it were a wooben tower it would be very meaningful. Red orange flames are relatively cool. If the perimeter columns were set horizontal at an optimum height over such flames for a week, they still would not loose significant strength.
Have you ever used a cutting torch to heat and bend steel? A rosebud tip? Ever tried to build a forge? Bend a horshoe in a fire by resting it in coals?
If you had you would know. Carbon fires and object relation have to absolutely optimized to have any significant effect on steel.
There is no doubt that the top of the building would have fell to the north IF it were going to fall from damage of the event.
The towers were demolished by optimally place and distributed high explosives in a high speed series of delays.
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