Deliberately optimizing for harm
Fortunately we don't see any real work in the chemical and biological weapons space anymore. While it would still be pretty handy for terrorist groups, in actual warfare chemical weapons aren't super useful. See <a href="https://acoup.blog/2020/03/20/collections-why-dont-we-use-chemical-weapons-anymore/" rel="nofollow">https://acoup.blog/2020/03/20/collections-why-dont-we-use-ch...</a> .