Exactly: it's not a technical question. If there were indeed 50,000 people in the buildings (probably not the case), 90% of them escaped, and it could have been 98% and the number of deaths would have still been unspeakably sickening.

Willie-O
p.s., I've said it before, go ahead and call yourself Americans, we to the north of the U.S. don't mind at all.