Keep in mind he actually spent around half that. There were significant loans and other investments contributing.
He needs more than lobbying, he needs to sway an election. But there were obviously other reasons as well, he probably thinks a hive mind is cool to own and he could finally build his everything app X, etc.. it's just the orbital weapons program is near the top of that list as he thinks it's necessary to save humanity from itself. From free-wheeling philosophy discussions, he seems to think this SkyNet system is actually a kind of Roko's Basilisk.
It was $13B in loans from a variety of banks. Lenders makes yes/no decision on loans, they do not retain management interest the way equity investors do.
He needs more than lobbying, he needs to sway an election. But there were obviously other reasons as well, he probably thinks a hive mind is cool to own and he could finally build his everything app X, etc.. it's just the orbital weapons program is near the top of that list as he thinks it's necessary to save humanity from itself. From free-wheeling philosophy discussions, he seems to think this SkyNet system is actually a kind of Roko's Basilisk.