AI adoption lags despite rapid consumer uptake, overhead costs hold back growth

AI adoption is widespread but depth remains uneven. According to a 2026 State of AI survey, 88% of U.S. Firms use AI in at least one function, yet Only 6% qualify as high performers, achieving more than 5% EBIT impact.

The lag is partly due to organizational complexity. A cross‑country metric, the Combined Overhead Ratio, shows that U.S. firms crossed a 47% GDP threshold around 2000, and since then overhead costs have risen while revenue growth has not kept pace. In the S&P 500, 36 AI‑focused companies now account for 45% of the index’s market capitalization, but stripping AI stocks from the index reduces the 3‑year return from 76% to 32%.

Overhead traps affect 73% of sector‑decade observations, and 79% of leaders report challenges in AI adoption, with 54% of C‑suite executives saying AI is tearing their company apart. Closing this gap requires deeper end‑to‑end redesign of workflows, a move that could lift productivity and benefit ordinary workers.

Read the full story at fortune.com.