“Officially” is meaningless here. The blocking exists, and it is at the direction or under the control of their government.

They are yet same thing. You know, if it looks like a duck.

This is standard operating procedure for the communist party. They rarely say any kind of topics or activities are banned outright. It’s just that if you say the wrong things in the wrong place, a bunch of plainclothes police will come to your home in the middle of the night.