How can the paradox of the witches' prediction for Banquo that he will "be lesser than Macbeth and greater" be true

Ialways thought that he thought it wasn’t fair because he thinks that people should be able to experience things and think outside of the box, or see color and add brightness and happiness to their lives but idk.

The answer to this question is a

The answer is focused on because it boils down to the fact means to focus on.