Did you read the PM article?
He made a mistake that's all. Is it impossible for someone to change their mind without being crucified for it?
Conspiracy theorists have made his life hell. they impune his integrity without a second thought.
Besides, do you realize just how many engineers and architects there are out there? have any others come forward?
No? How come that doesn't make you go "Hmmmm, maybe they have the training and experience to see something here that I don't. If they don't
think that it was a controlled demolition, shouldn't I accept that?"
Instead the conspiracy theorists come up with this unbelievably convoluted theory that all of the engineers across the world are some how in on this.