Lot of this thread has reduced the issue to whether it is more ethical for one country to deploy relative to others. In any case, a lot of countries will have this capability. A lot of AI models are already openly available. The required vision and reasoning models are being developed currently for other uses. Weaponization is not a distant prospect.
Given that, the tech community should think about how to tackle this collective major problem facing humanity. There was a shift, which happened to nuclear scientists, from when they were developing the bomb to the post World War situation when they started thinking about how to protect the planet from a MAD scenario.
Important questions - What would be good defense against these weapons? Is there a good way of monitoring whether a country is deploying this - so that this can be a basis for disarmament treaties? How do citizens audit government use of such weapons?