Here are some stories from academics that had trouble getting companies to actually run rigorous experiments about ad effectiveness: https://freakonomics.com/p

Here are some stories from academics that had trouble getting companies to actually run rigorous experiments about ad effectiveness: https://freakonomics.com/podcast/does-advertising-actually-work-part-1-tv-ep-440/ https://freakonomics.com/podcast/does-advertising-actually-w... https://freakonomics.com/podcast/does-advertising-actually-work-part-2-digital-ep-441/ https://freakonomics.com/podcast/does-advertising-actually-w... I don’t think ad companies are really trying to disprove the idea that their business model works. The intelligent statisticians work for the ad companies or in the ad departments of the product-selling companies.