How can you guarantee that? The chance is close to zero, but not zero - ergo you cannot be 100% sure that they won’t win.
And that’s the point they are trying to make - you don’t need to be 100% logical to enjoy life. Sure, they probably won’t win. But thinking they might, the anticipation of scratching the tickets, etc, is worth it to them.
How can you guarantee that? The chance is close to zero, but not zero - ergo you cannot be 100% sure that they won’t win.
And that’s the point they are trying to make - you don’t need to be 100% logical to enjoy life. Sure, they probably won’t win. But thinking they might, the anticipation of scratching the tickets, etc, is worth it to them.