No, people should be better behaved and realize two seconds of footage never tells the whole story.
Notice the expressions on the faces. If he was annoyed, that face would have shown up after the original smile.
How about not getting your news from YouTube videos that show two seconds of footage and loop it?
I do agree Trump is arrogant. I have yet to decide if he is equal to or more arrogant than our last President. It's a high record to break. In one of the first bipartisan meetings Obama ever had, McCann, (known for his middle-of-the-roadness), suggested something, and Obama said one of the last things he ever said to a Republican. "The last I checked, I was elected President of these United States."