A fundamental question I haven't seen addressed: if Google' security/threat analysis/whatever team can find evidence of "counterterrorism" 0days in the wild, wh

A fundamental question I haven't seen addressed: if Google' security/threat analysis/whatever team can find evidence of "counterterrorism" 0days in the wild, what's to stop "terrorists" to find those 0days used in the wild as well and reuse them ? Or simply non-allied states that would use them against allied targets ?