Is AEO just content, or do I need engineering and data work too?

https://wiki-stock.win/index.php/What_Should_I_Ask_on_an_AEO_Agency_Intro_Call%3F

Last November, I spent three hours cataloging screenshots of how various LLMs hallucinated our client's pricing model into a non-existent bundle. I keep these in a folder named by date, and frankly, the evolution of these errors is fascinating