Both I think. "Most notably, safety spans a wide range of concerns from the fears of sci-fi style sentience to the more near-term questions such as validating

Both I think. "Most notably, safety spans a wide range of concerns from the fears of sci-fi style sentience to the more near-term questions such as validating the performance of self-driving cars." I feel like the term "Singularity" is used in too many ways by too many different people to be useful unless you define how you're using it but Brin seems worried about AGI.