Johnson had a lot meetings with aides when he was on the toilet. And some when he was naked and shaving or showering or having a massage. He might have enjoyed humiliating McNamara, but he was a busy, impatient guy with everybody.
A co worker had been an Army Como Officer in the LBJ Whitehouse.
He said that Johnson would roam the halls naked at night, even down in the out of the way location of his office.
He totally hated the man, said there was nothing likable about him.