Earlier quoted context omitted.
This assumes he was serious about it at some point, instead of just cover to sell more Tesla shares and free marketing for himself.
Gosh, I hope he was serious at the point he signed a contract with a $1B penalty, or else he’s the world’s worst businessman.
According to this hypothesis, he would still walk out with 7.5B in hard cash instead of 8.5B in Tesla share. I'm not in his boots, but I see how it can be seen as worth it.