WTC1 west wall: The Mother of all peels, HTFCPNST-class movement

Isn't it obvious that the huge piece in free-fall is from just above or just below the west wall failure line?
Isn't it obvious that the mass is separated into two types:
1) That in free-fall
2) That not in freefall ???
The NIST was able to recover only a few steel samples from the initiation zone. I can spot the probabe failure along many columns using just this image. Anyone can see where that huge piece is destined to hit the earth, so everyone knows where to find about 30-40 samples of failed columns from the IZ from this image alone.
Uneven ROOSD is clearly visible. All the basic components of a WTC1 west wall model are clearly visible:
1) Portion above the failure line falls outward as 20+ column wide, 6 to 8 story sheets stripped of flooring. Can't miss 'em, folks!
2) No other portion from the failure zone went into free-fall just after the sheets seen falling. There is
zero continuity in the process you are witnessing. The group you see falling are the only ones that fell, everything else falling within the confines of the wall.
Important point:
The small portion that fell outside the wall during collapse initiation is clearly visible and identifiable as a distinct set of units.In short, it classifies as HTFCPNST-class behavior. Nobody has an excuse to ignore it unless you are legally blind. (No more excuses for Richard Gage.)
3) The beginnings of the twisting effects of uneven ROOSD