And your (scientific) authority for that statement is...?
Robert Bakker, Jack Horner, Claire Belcher and Dewey M. McLean to begin with
But you don't need much scientific authority to shoot down that week hypothesis
Here's my debunking of it,
http://www.freerepublic.com/focus/f-news/1628667/posts?page=46#46
and I could have tripled the size of my post but I went easy.
Here's a good read on the subject by another Paleontologist