I've given the source of my understanding and I've given my reasoning. The response is obvious:
You are so full of it...AGAIN!
I spoke with Shihan ___ and he assured me that the founder did not implicitly or explicitly discourage atemi. In fact, he assured me that he was continually struck by the founder from 195_ until O Sensei's death, everytime he took ukemi for him.
It seems that the guy who spoke to Lau was just as mistaken as you. However you've proven yourself to be more consistent!
Just fill in the blanks, folks.
Actually, I would be interested in hearing reports about this from those who might know. It doesn't matter to which side of the hill their opinions fall on. "Just the facts Mame"