unfortunately money and cutting-edge tech are in this kind of applications

the amount of money put into may-be-probable piece of tech is astronomical in defence indistury, because it may really be game-changer. (eg. lasers, rail-guns etc)

every piece of tech we use today started as a defence project. You may say ML/AI is just research stuff. If you think AI is being developed to help you with groceries, you are being lame... (no harm intended but my opinion)