Plot that doesn't make sense for you im Death's End?

Im in the middle of reading Death's End, and just past the plot where Wade tried to kill Cheng Xin. He was portrayed as a man who doesn't care about consequences if it meant elevating him and achieving his goal. He could've pointed the gun to Cheng Xin's head and be done with it, but mf fumbled hard and went with the cliche anime villain path.

What are yours? I don't mind spoilers.