all vulnerabilities are just bugs.
It’s possible/likely that whomever is running this experiment is keeping the non slop bugs to themselves. It’s probably what I’d do.
Yes, maliciously used features should sometimes drive change (eg. in how to reduce or reduce impact of social engineering attacks), but as a claim it has no value.
Also, I've known some thoroughly unimpressive people who have affiliated themselves with DARPA. I wouldn't use it as an appeal to authority.
For example, if you allow weak passwords, then you have a trivial vulnerability to people guessing other people's passwords. But nothing about the login system is working differently from how anyone intended. It's just that the intentions themselves were naïve.