I don't really know much about James O'Keefe but it's hard to argue against this video where a Google product manager acknowledges Google is biased in favour of

I don't really know much about James O'Keefe but it's hard to argue against this video where a Google product manager acknowledges Google is biased in favour of Biden over Trump. I'm sceptical, so I'd be keen if people who know more about the search engine can shed some light on this?