The text is generally neutral as it provides an informative and instructional guide on conducting an AI engine optimization audit. The language is technical and focused on explaining processes, steps, and the importance of AI optimization in marketing. It does not convey strong emotions or subjective opinions but rather aims to educate and inform marketing professionals about the significance of AI in brand visibility and search engine optimization. The text is structured to offer practical advice and tools, such as the HubSpot Search Grader, to enhance marketing strategies in the context of AI-driven search engines.