This is a terrible comparison. In China, if you publish something like Wikileaks, the government will order your webhost to take it down and then send goons out to take you away. In the US, one senator basically sent letters or publicly asked companies not to cooperate. No evidence of any threat to harm people.
Sure it is a curtailing of freedom of speech, much like prohibiting yelling fire in a theater is, but its not on the order of China.