That's fine. He has only like another hour to get out of France. If he does so, he'll have only caused modest embarrassment and zero international incidents. He could have been the obnoxious drunk uncle who made a scene and started kicking over tables. Instead he's just kind of the weird uncle who made a lot of non sequitur and hit on his brothers wife.
For Donald Trump's sham Presidency, that's a win. Soon he'll be back stateside in his play pen where he can't cause any further international harm.