> Someone one else would've bought YouTube
Google is probably the only non-telco who owns significant infrastructure. So other than Google, the only other option for YouTube would have been a telco.
Are you sure you'd want a telco owning YouTube? Can you imagine how awful it would be?
Vimeo is owned by IAC, who then owned AskJeeves, TripAdvisor, HotWire, LendingTree and today owns Tinder, OkCupid, Match.com, The Daily Beast, etc.
You sure you'd want the top video website owned by IAC?