I see fashion as a proclamation or manifestation of identity, so, as long as identities are important, fashion will continue to be important. The link between fashion and identity begins to get real interesting, however, in the case of people who don't fall clearly into a culturally-recognized identity.
Why would God send people to our church if we don't have a great dream? Why would God give a multigifted, multitalented, and multifinancially wealthy person to a church if the biggest thing you are going to do is paint the restrooms next year? That's bad stewardship.