the firefighter rotation that changed how i see production

8:23am. slack notification: "Urgent, seller paid yesterday but cannot access anything." i am the firefighter for the day, first responder for production issues during business hours. one seller, one access issue. should be simple. it was not... the cascade within 20 minutes, one issue becomes five: support: "need immediate resolution" PM: "related to yesterday's deployment ?" account manager:…