What confused me about this documentary was the "at home" scenes for Hassabis.
He is famously a North London lad, but the at home shots are clearly shot from South London looking North (you can tell by the orientation of The Shard and Bishops Gate out of the window).
I thought that this might have been a "stage home" but it appears to be the same place in the background of various video conferences he is on too, so unless those were staged for the documentary (which seems like a lot of effort), then he lives near Crystal Palace and not Highgate?