I'm not sure I agree that he "isn't joking": Just because you actually do it, that doesn't mean it's not a joke. (Perhaps it's a "prank.") If you are rich enough, you can joke about sending a car in a rocket to Mars by actually sending a car in a rocket to Mars, which makes it funnier.
I'm not sure I agree that he "isn't joking": Just because you actually do it, that doesn't mean it's not a joke. (Perhaps it's a "prank.") If you are rich enough, you can joke about sending a car in a rocket to Mars by actually sending a car in a rocket to Mars, which makes it funnier.
(https://www.bloomberg.com/view/articles/2017-12-04/bank-back...)