Youre full of crap.
I’m full of crap?
The building is it’s own frame, the curtain walls are proprietary. Simple attached laterally and structurally floor to floor. As a structural engineer you would never design the curtain wall of such a building.
These are proprietary systems that ride on the structure.
I have an engineering license, World Trade Center before and after, worked on monumental structures, your credentials are...?