It turns out GenAI code changes are causing serious incidents and outages at Amazon with "high blast radius" https://arstechnica.com/ai/2026/03/after-outages-amazon-to-make-senior-engineers-sign-off-on-ai-assisted-changes/

Junior / middle engineers no longer allowed to push GenAI code to production without senior engineer review

(HT @KimPerales )

EDIT: Better link above than before. Old one is here:
https://www.ft.com/content/7cab4ec7-4712-4137-b602-119a44f771de

After outages, Amazon to make senior engineers sign off on AI-assisted changes

AWS has suffered at least two incidents linked to the use of AI coding assistants.

Ars Technica
In wake of outage, Amazon calls upon senior engineers to address issues created by 'Gen-AI assisted changes,' report claims — recent 'high blast radius' incidents stir up changes for code approval

Amazon says it's a routine meeting

Tom's Hardware
@cwebber Can't wait for what happens when all their senior devs are burnt out from non-stop slop reviews. 🍿
@alxndr @cwebber
This! Exactly.
...and when they burnout and leave where is the bench to backfill?
@alxndr @cwebber Or when all the senior devs age out and industries as a whole havn't been cultivating coding skills for years/decades.
@alxndr @cwebber New band name: non stop slop