Ex-OpenAI safety researcher @sjgadler reveals the Guidelight control scorecard grades: OpenAI and Anthropic tied for first at C+, Google at D+, SpaceXAI at D-, and Meta at F on basic safety practices "OpenAI and Anthropic tied for first place in our assessment. They got a C+. Google came middle of the pack at a D+. SpaceXAI and Meta are even below that. They're respectively a D- and an F." "We go through different practices, like how well can the company see what their AI is doing when they…