Anthropic researcher says AI has >10% chance of killing all humans

A senior safety researcher quantifying extinction risk above 10%—and resigning over it—shifts the debate from abstract ethics to institutional credibility. The resignations signal internal fractures at leading labs, which may affect talent retention and public trust in AI governance. What matters next is whether such departures catalyze external oversight or remain isolated acts, and whether the claimed risk level influences lab priorities or regulatory momentum. The open question is whether this marks a turning point in how seriously the industry treats existential risk claims.