Every ecommerce analytics vendor demo looks the same. Clean dashboard, pretty charts, a revenue number ticking up in the corner. Sales reps know exactly which screen to linger on. What they don't show you is what happens when your Meta account pauses spend mid-week, or when Amazon's API goes down for six hours during a promo, or when your last-click attribution and their "AI-driven" model disagree by 40% on which channel actually drove a sale.