Ingratitude? How grateful am I supposed to be for the fact that they get some product here faster than competitors? I'll take a slightly slower world with fewer assholes, thank you very much. The world is still going to change without them.
Tesla is worth 600 billion dollars. Means the world is very impatient to buy their cars actually.
Also, you don't get to decide how people behave and treat each other. The social equilibrium is such that you only get to decide on your behaviors.