I believe your textbook is utilizing the secondary definition of brainstorm. This may be due to an older textbook.
1.a spontaneous group discussion to produce ideas and ways of solving problems.
2.INFORMAL, a moment in which one is suddenly unable to think clearly or act sensibly.
This second definition provides a direct analogy to disorientation. Through the below relationship.
Hailstorm- a storm of heavy hail : Destruction- the action or process of causing so much damage to something that it no longer exists or cannot be repaired. Brainstorm- a moment in which one is suddenly unable to think clearly or act sensibly.: Disorientation- a state of mental confusion. This provides more analogical value than to Innovation- making changes in something established, especially by introducing new methods, ideas, or products