> The history of global regulations on the military application of useful military technologies is not too impressive.

I don't think that's true at all. Since WWII we've been quite successful at reducing the use and proliferation of destructive military technologies through treaties. Certainly they don't work 100% of the time and they work in tandem with other forces but they've been a key part of the solution. See https://www.armscontrol.org/treaties