It does. Some have seen it come on at 7k with a lot of city driving and idling and others have seen it at like 9-10kFWIW I change my oil at 6K mile intervals, and the Oil Life Monitor usually says about 50% or so life left when I go to reset it after changing the oil.
My car is a daily; I have fun on highway entrance/exit ramps and some toll booth pulls. My understanding is the monitor calculation takes your driving style into consideration.
Hope that helps,