This process would continue until there is but one route not subsidized by the government and that route would be the route that initially was the most profitable one in the system.
The process would continue until only one route isn't subsidized by the government.
For example, had the writer of the Genesis creation story been composing for a 20 th century readership, he or she would have explained God's hand in the evolutionary process as opposed to the more magical creation story in the Bible.