r/Fitness does a weekly "Moronic Monday", a judgment-free thread where people can ask questions that they would ordinarily feel embarrassed for not knowing the answer to. I thought this seemed like a useful thing to have here - after all, the concepts discussed on LessWrong are probably at least a little harder to grasp than those of weightlifting. Plus, I have a few stupid questions of my own, so it doesn't seem unreasonable that other people might as well.
Right, I see your point. But it depends on how close you think we are to AGI. Assuming we are sill quite far away, then if you manage to ban AI research early enough it seems unlikely that a rogue group will manage to do by itself all the rest of the progress, cut off from the broader scientific and engineering community.
The difference is that AI is relatively easy to do in secret. CFCs and nukes are much harder to hide.
Also, only AGI research is dangerous (or, more exactly, self-improving AI), but the other kinds are very useful. Since it’s hard to tell how far the danger is (and many don’t believe there’s a big danger), you’ll get a similar reaction to emission control proposals (i.e., some will refuse to stop, and it’s hard to convince a democratic country’s population to start a war over that; not to mention that a war risks making the AI danger moot by killing us all).