This sounds like both the Sundance episode of South Park and the Fred Armisen "hipsters come to Springfield" episode of The Simpsons.
Robert Redford: This is perfect. Why didn't we think of it sooner? This town still has some charm left, not the mess we turned Park City into.
Phyllis: Forgive me for being observant, but, won't we just end up doing the same thing to this town?
Robert Redford: Yes. And the town after, and the town after that. Like termites, we will move this film festival from town to town until we have used it up. And then move on, until every quiet mountain town is like Los Angeles.
Phyllis: Why? Why would we do such a thing?
Robert Redford: Because we have to live in L.A. And if we can't live in quiet, simple, peaceful mountain towns, then nobody will!