https://www.cnet.com/news/microsoft-workers-call-for-end-to-hololens-contract-with-us-army/

"We are alarmed that Microsoft is working to provide weapons technology to the US military," the letter continues, "helping one country's government 'increase lethality' using tools we built. We did not sign up to develop weapons, and we demand a say in how our work is used."

In November, Microsoft landed a $480 million contract to supply the Army with prototype HoloLens augmented reality systems for use in combat missions and training. The previous month, the tech powerhouse had said that despite ethical issues, working in the defense field gave the company influence over how new technologies would be used.