You obviously read the title thread without bothering to watch the video.......Her reaction was to the sounds which were being translated to her by the hand signing interpreter.
I have close friends who have twins which were born deaf, trained to communicate via signing and to read lips.
While they can read lips and sign, their problem is vocalizing words that they themselves can not hear..........
You might want to educate yourself on hearing disabilities before you condemn this video due to your own ignorance............
That is exactly what I was trying to say to the ignorant.