Even tho a barrier blocking news sounds ridiculous, you're actually onto a similar point: ever noticed how Mystic Falls is like, an ISLAND town???? In real life, your town is usually surrounded by other towns and there's highways that surrounds that and connects them by other means and with the rest of the state. All we ever see if like pastoral land, back roads, blue highways (aka 2 lane).and Whitmore, which never seems the full 2+ hours away it should be.
I mean, don't get me wrong, all the town pride, knowledge, events, neighbor-knowing, none of that would have been possible if Mystic Falls wasn't on its own. It's just funny because any town in real life like that would be 200% backwoods HICK ;-D

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A Chuck and Castiel crossover?