That's when he used to joke around more. Since they sued him and brought him to court he probably doesn't joke around as much. I guess here he was saying the US can coup whoever they want. "Deal with it". That seems like a meme saying, the deal with it part.
Looking for the tweet.. you have news stories talking about all this. But he deleted the tweet.
https://peoplesdispatch.org/2020/07/28/we-will-coup-whoever-we-want-elon-musk-and-the-overthrow-of-democracy-in-bolivia/
https://www.salon.com/2020/10/20/elon-musk-becomes-twitter-laughingstock-after-bolivian-socialist-movement-returns-to-power/
But what was he trying to cause? What was the end effect?
That's when he used to joke around more. Since they sued him and brought him to court he probably doesn't joke around as much. I guess here he was saying the US can coup whoever they want. "Deal with it". That seems like a meme saying, the deal with it part.