You did not get the point. The point of the video is not " 训 ". It is one side that was willing to talk about the issue and common ground to repair the relationship initiating it between the leaders first, but 土蛋 disclosed the content of the meeting to the media. As a result of the disclosure, the other side ( Xi) considered it a betrayal of trust and confidentiality of the meeting.
The video clip also illustrates that 土蛋 lacks common sense, or no common sense, or his complete idiocy. The leader of the Liberal should not have been an idiot, and the leader of this country should not have been an idiot,