That is not AI. The same voice narrates at least two years ago. Just scroll down in the channel's video list.
The description of the video states it is in fact AI:
> A synthesized text-to-video voiceover was used in the narration for this story.
alt Hacker News
The description of the video states it is in fact AI:
> A synthesized text-to-video voiceover was used in the narration for this story.