This is less likely to happen these days as BGP routes are now validated through an open registry like RPKI https://www.arin.net/resources/manage/rpki/
I am not aware how popular and which company are using it, but I doubt that youtube is today as vulnerable as it was in 2008. BGP securities has a lot of tractions these days and is an interesting topic to follow.
[0] https://www.cnet.com/news/how-pakistan-knocked-youtube-offli...
[1] https://www.youtube.com/watch?v=K9gnRs33NOk