It would likely determine many 'fun' things (off the top of my head) like :
1) the world is vastly overpopulated in relation to its provable long-term resource base, therefore, reproduction should be managed by AI.
2) small businesses, including farms, are inefficient and should be shuttered and their resources transferred to larger corporations,
3) retail sales locations, apart from combination outlet/warehouse stores, are inefficient, and everything should be delivered to consumers by one giant delivery corporation, or sold in warehouse outlets,
4) democracy, elections, legislatures, and courts are inefficient, since AI is making all the decisions anyway. In fact, the existence of "countries" wouldn't even make sense.
5) consumers having the freedom to spend their money as they choose is inefficient, everyone's money should be controlled by AI
6) people choosing their own careers is inefficient, and AI should calculate what every individual's job should be based on the needs of the society and industry, and talents they have (based on AI assessments thereof)
7) people choosing where they live is inefficient, and AI should calculate where everyone should live, based on the needs of the society and industry
8) any kind of travel for the purpose of pleasure is wasteful and inefficient
9) charitably contributing to keep people alive in impoverished countries is inefficient, if they cannot be self-sufficient in the area in which they live, they should be left to die because they've exceeded the carrying capacity of the area, unless individuals have marketable skills important to the world at large, in which case, save those people and move them somewhere they can be productive.
etc, etc, etc.
OTOH, it *should* also conclude that:
1) a National Healthcare System would be far more efficient than the current setup, at least if it only applies to people who are working and/or likely to return to work soon if not currently,
2) The dual threat of destructive climate change and concurrent depletion of the world's non-renewable energy resources should be considered the worlds most pressing concern, and all available 'excess' resources put to use towards solving this problem