The logical thinking skill covered in Rearrange Array Elements is crucial for frontend developers as it involves breaking down complex problems into smaller, manageable components and finding efficient solutions. By rearranging array elements, developers need to analyze the input data, understand the desired output, and devise a logical approach to achieve the desired result. This skill helps developers improve their problem-solving abilities, enhance their coding efficiency, and ultimately create more robust and user-friendly applications. Mastering logical thinking in rearranging array elements is essential for frontend developers to write clean, optimized, and maintainable code.