>We've been pretty successful in stopping major nation states from using bioweapons so far. Name a major state that has experienced existential war since their

>We've been pretty successful in stopping major nation states from using bioweapons so far. Name a major state that has experienced existential war since their invention. Same for nukes. "We've been successful in stopping" - there has been no "we" doing any "stopping". There have only been "others" "choosing not to". There would reasonably be some point of conflict where the decision falls the other way.