Passively collecting data on the wire is different from actively exploiting a device to execute malware. Any entity trying to work with intelligence agencies is

Passively collecting data on the wire is different from actively exploiting a device to execute malware. Any entity trying to work with intelligence agencies is definitely going to be careful and somewhat sparing with their use of an "S-tier" zero-day like this. (Unless they have reason to believe it's already likely been burned, in which case they might decide to hastily machine gun it while it's still viable.)