Well.. he requires tens of billions from msft either way. This is not a ramen-scrappy kind of play. Meanwhile, Sam could easily become CEO of Microsoft himself.
At that scale of financing... This is not a bunch of scrappy young lads in a bureaucracy free basement. The whole thing is bigger than most national militaries. There are going to be bureaucracies... And Sam is is able to handle these cats as anyone.
This is a big money, dragon level play. It's not a proverbial yc company kind of thing.