MS--Open AI's ~parent company--already has massive US military contracts. This is the biz model.
This news is also one more alarm re. the current AI paradigm, its reliance on concentrated corp power, & the undemocratic decision making power this gives these (primarily) US-based corps.
https://theintercept.com/2024/01/12/open-ai-military-ban-chatgpt/
...for anyone preparing to step to this post with arguments re. AI's potential efficiencies/precision leading to harm reduction in war, no. That's an unevidenced hope.
Where we do have insight (which is scarce, given the pernicious intersection of trade secrecy and classification), it points to AI enabling "Jevon's paradox, but for death."
See: https://www.972mag.com/mass-assassination-factory-israel-calculated-bombing-gaza/