Why is the scoring system in tennis structured as 15, 30, 40, and how does it contribute to the overall gameplay experience"?

The scoring system in tennis is structured as 15, 30, 40 to represent the progression of points in a game. This system adds suspense and strategy to the game as players must win by a margin of two points. It also creates a sense of momentum and allows for comebacks, making the gameplay more engaging and competitive.