Perhaps things would be more peaceful and loving if some diplomacy was observed.
We do have one example of such diplomacy in Thor: The Dark World (2013) on the occasion of the visit of two Asgardians on a secret mission of great importance, perhaps even more important than the occasion of Obama at the G20 conference.
How do we greet an Asgardian? A hearty handshake? Do we say “Howdy Partner!” and take off our hats? Here are the stages that I have noted in greeting two important Asgardians engaged as they are on a secret mission.