The speaker thinks decisions about large experiments are probably the least verifiable part of AI R&D because researchers get only a limited number of attempts.

“the least verifiable uh probably making calls on large experiments like the thing that i think is most likely to be sort of the bottleneck in terms of like the ais are really good at verifiable domains but not not doing the actual thing is just like big experiments you only get a few tries um well a few is maybe a bit understated but like”