> For example, advances in DIY biohacking tools might make it easy for anybody with basic training in biology to kill mil- lions; novel military technologies could trigger arms races in which whoever strikes first has a decisive advantage; or some economically advantageous process may be invented that produces disastrous negative global externalities that are hard to regulate

More realistic example maybe is unstable billionaires buying their way to power in democracies through mind control of the public via disinformation media.

(One could view this as a technology problem either of the technology of mind control or the social technology of wealth capture that creates billionaires.)