Take it easy my friend. That article is a rant full of wanton speculation. The Corvette is a class leader in terms of economy, efficiency, safety and one of the best examples of american technology on the road. And all that at half the price of most of its competition.
The key word here is "competition." The Camaro is every bit as competitive in its price range and class of vehicle.
Will there be changes ahead, more than likely yes. But only time and proper engineering will really tell the whole story.