I've found Gemini useful in extracting timestamps for particular spots in videos. Presumably it works with transcriptions, given how fast it is.

The three answers it found were:

- Avoiding lock-in to them: http://www.youtube.com/watch?v=KKbgulTp3FE&t=1914

- Competitive advantage: http://www.youtube.com/watch?v=KKbgulTp3FE&t=1852

- Perceived Lack of Use Case: http://www.youtube.com/watch?v=KKbgulTp3FE&t=1971

Those points do actually exist in the video, I checked. If there are more, I don't know about them, as I haven't yet watched the rest of the video.