There are plenty of other weapons (such as mines) that the “international community” has “banned”, but are very useful in a war. Any country that doesn’t or can’t expect the US to come to its rescue ignores such bans and still manufactures them in great quantities.
OP choice was protest or participate and influence to safer outcomes. Your choice was protest or participate without influence to safer outcomes.
Also the AI participant would be OpenAI either way, whereas your inadequate alternative is participate with the US or NK will participate. Also, not the same.
So, wrong on two counts.
2. Nerve gas is not strategic. A better comparison are nukes in WW2.
3. Nerve gas has no other uses unlike AI.
4. Nerve can only be used to hurt unlike AI
5. If AI in military is so dangerous, should the US just sit and do nothing while China /Russia deploy it fully? What is your suggestion here specifically?