He said it was the greatest, at the time and took great pleasure in publicly signing it. Maybe he was too stupid to read it, or only wanted a headline for the news cycle. Now whines his treaty was shit, negotiated by idiots, while again, taking no responsibility for the actions, treaties, and policies of his own administration. He makes it appear, any international treaty, trade deal, or alliance with the United States is not worth the paper it is printed on, and voidable at his sudden whim, whenever the mood strikes.