Ah, now I finally understand where Santa Claus got all those Mercedes cars in the Mercedes ads: people dumped their Mercedes keys into the Christmas donation cans when they saw an Audi driving down the street. (Too bad for Audi, because now Santa Claus voluntarily makes ads for Mercedes.)
Here's the altruistic Audi ad:
https://www.youtube.com/watch?v=asMj7HbNBfQ
And here's who ultimately benefits from this philanthropy (Hey, Santa deserves something for all he gives to others, and maybe that appreciation is why everyone is donating their keys all along, and the Audi ad simply uses deceptive editing to make it seem as though it's seeing the Audi drive by that causes the donations):
https://www.youtube.com/watch?v=GJn3yvMaJ48