Of course there are. But once it exists, a technology will be used for all purposes. The choice is in the making, anything else is virtue signaling.

Very few. Most use is a pure negative for society.

War will be a comparatively honest use of this technology compared to how the likes of Google will monetize it going forward.

Then start your own company where you control the direction of the products. All these people make millions and only speak up after they are set for life.