Shorting requires both being right and good timing on when everyone else figures out you're right.

Famously: https://en.wikipedia.org/wiki/Michael_Burry

> During his payments toward the credit default swaps, Burry suffered an investor revolt, where some investors in his fund worried his predictions were inaccurate and demanded to withdraw their capital. Eventually, Burry's analysis proved correct: He made a personal profit of $100 million and a profit for his remaining investors of more than $700 million.

Yeah, if Elon pulling off a Seig Heil and literally running away with a country's data wasn't good times to short, I don't know what will.

You basically need to predict his death at this point. Which is unlikely due to being rich and not extremely old. But not off the table if you look behind the scenes at his habits.