Reminds me of the time Elon said if the UN World Food Programme gave him a plan for how they could spend it, he'd give them $6 billion USD.
They called his bluff, and presented him with a plan.
He never paid up.
Luckily, this time, Twitter brought in the lawyers to get him to put up or shut up.
https://www.abc10.com/article/news/verify/business-verify/elon-musk-indicated-2021-to-donate-6-billion-to-fighting-solving-world-hunger-if-un-met-conditions/536-cad0e59e-775d-4c3d-a309-b3ef93379a71