Why do China people beat the deaf and blind?

The people of the motherland mistakenly beat the deaf and the blind because of a word from the blind. China people beat the deaf and dumb people from the third episode of the second season of the American TV series Black Robe Picket. The people of the motherland are narrow-minded. When they meet a blind man, they are dissatisfied with his words and beat him. This is why people in China beat the deaf and blind.