Final answer:
While marketing is a crucial function in businesses for brand development and customer acquisition, it is not necessarily the central core function of every company, as other departments may hold that role depending on the company's focus and industry.
Step-by-step explanation:
Marketing is often considered a vital aspect of a company's strategy, but to categorize it as the central core function of every company would be an oversimplification. The truth is businesses can have various core functions depending on their industry, strategy, and business model. While marketing is essential for customer acquisition and brand development, other functions such as research and development, production, logistics, or customer service may be equally or even more important for certain businesses. However, the rise of professional business programs and the increasing expenditure on marketing evident since the end of the 19th century underline the growing importance of this field. Furthermore, the attention economy has revolutionized the way companies reach out to customers, making a diversified and synergistic marketing approach indispensable. Naomi Klein's critique in No Logo exemplifies the widespread influence of marketing practices and the conscious strategy of businesses to build a cohesive brand experience across multiple platforms and touchpoints.