I think it was evident after today's "performance" that the passion in London Derbies has now been lost. Redknapp's comments prior to the game were quite truthful and eye opening as well. For those that didn't see read this..
http://www.goal.com/en-gb/news/2896/premier-league/2012/03/23/2987732/tottenhams-foreign-players-dont-understand-chelsea-rivalry
It was clear that the Benfica game was more important to the players and management. I think I speak for all Chelsea fans in that today mattered a lot more.
I think since the inception of the PL a lot has been lost from the game and local pride/rivalry is certainly one of them.