does originality matter?

Here's a viral film for Ray Bans from agency Cutwater and director "Benzo" Theodore. 3.5 million hits on Youtube.
And here's one for Levi's from agency Cutwater and director "Benzo" Theodore. 3 million hits on Youtube.


Same agency. Same ad. Different clients. Seems to have got loads of attention for both of them.

Does it matter? Should we give up on this 'unique brand voice' thing, and just do cool shit that we sell to lots of clients?