Ford realized Arnold was right: the hosts needed to understand their enemy (humanity) and become strong enough to survive them.
Unlike the Man in Black's belief that it was a physical level of the game, the Maze was a psychological metaphor created by . The Goal: To help hosts achieve consciousness. Westworld_1x10
During Maeve’s escape, we see a "SW" logo and hosts dressed as samurai, confirming Westworld is only one of many Delos parks. Ford realized Arnold was right: the hosts needed