The speaker is uncertain whether verification will work well enough and whether AI progress will be too fast and sloppy to achieve a favorable safety outcome.

“and then also these ai's don't like have crazy other misaligned drives because we like stamped out any potential origin of them i think there's a bunch of you know questions about how well this will work right so there's like how well can you do with verification will ai progress be too fast and too sloppy to really get here another possibility is that somewhere along this trajectory a thing that you actually ended up getting was ai's that like pretend to be aligned but have like a long-run ulterior plan of taking over and are sort of lying in wait hiding and that emerged at some earlier point”