Reply #314: One by one:

[Make7]

• First picture: There is no way to determine what that structure is made out of just from this picture. It proves nothing without adequate supporting evidence. (Which in my opinion, you do not have.)
  
  
• Second picture: I think the series of photos shown on this web page clearly shows there is no rebar present during the spire collapse.
  
  
• Third picture According to this document...
  
  
  
  
  ..., there were floor beams within the core. How does the fact that there are floor beam stubs protruding prove those columns were not part of a steel core?

-Make7