Gist: The article argues that 2025 ecommerce growth came with weaker unit economics: ad spend and revenue rose, but efficiency fell and first-time acquisition costs increased. It frames 2026 as a discipline problem, where growth must be pursued without further eroding margins.
Signal reason: It cites concrete performance metrics, including 15% higher ad spend, 14% revenue growth, and nearly 9% higher first-time CAC.
