The Rollback

Amazon's Senior Vice President wrote to engineers that site availability has not been good recently and identified AI-assisted code changes as a contributing factor. The new policy: junior and mid-level engineers need senior approval before deploying AI-generated code. The most sophisticated AI infrastructure company in the world just added human friction back — not because AI is unreliable, but because the blast radius of infrastructure failure is systemic. Dave Treadwell, Amazon's Senior Vice President of retail technology, wrote to his engineering staff on Monday that "the availability of the site and related infrastructure has not been good recently." Then he announced the policy change: junior and mid-level engineers now need senior engineer approval before deploying any AI-generated code to production. The most sophisticated AI infrastructure company in the world just added a human gate to AI-generated code. Not as a temporary measure. As institutional policy. The Pattern The imm