What about SBF, he gave away 1% of his wealth before he lost it all

How much is the stock worth now? I guess you mean he could do an IPO and increase his wealth by earning a return on his $44B investment, and then use THAT money to further the cause of humanity? 

He's endorsed MacAskill and communicated with him on this very topic. He's pledged half of his wealth toward bettering humanity on Earth, and half of it to furthering humanity on Mars. https://www.nytimes.com/2022/10/08/business/effective-altruism-elon-musk.html
https://www.inc.com/kelly-main/elon-musk-philosophy-optimism-longtermism.html 
And he spoke at the Effective Altruism Global conference. https://www.huffpost.com/entry/elon-musk-google-effective-altruism_n_55a56626e4b04740a3de3130

OK how does that ensure the protection of humanity in the future as Musk has stated his sole aim for the use of his wealth to be

Thanks,  I had missed it. The search here doesn't sort by date.