Rather clickbaity title. As much as I dislike Trump you can't blame him for the current inertia of the two countries.
Perhaps not, but you certainly can use "Donald Trump's America" as a shorthand label to describe a cluster of circumstances, attitudes, and their associated causes and effects. There is definitely a DTA. To use the label doesn't mean he created it, just that he somehow embodies it.
The article talks about how airlines are being hurt due to customers choosing to take high speed train versus flights. Are these trains being heavily subsidized, and if so, wouldn't that explain why consumers are opting to take the train?