Scott Pilgrim had some of the most affecting moments in recent cinematic memory when sampling Nintendo classics - the combination of young adult infatuation and the Zelda wishing-well fairy music was fantastic.
Absolutely true, and it's very effective for that reason. I also believe it's the reason why Scott Pilgrim resonates so much with a certain generation and then holds little to no appeal outside of it.
This article (in which Michael Cera interviews Edgar Wright) has a bit more detail. http://www.wired.com/magazine/2010/06/ff_cerawright/all/1