Final answer:
A customer profile is essential for understanding who customers are and their needs, therefore, the statement is false.
Step-by-step explanation:
The statement that a customer profile is not necessary to understand who your customers are and why they need your product or service is false. A customer profile is a fundamental tool in marketing that provides businesses with detailed descriptions of their ideal customers, including demographics, buying patterns, and other relevant information that helps in tailoring products and services to meet customer needs.