Yup. My second or third month at my first job, I accidentally knocked out internet access for thousands of people for a couple of hours because I deleted someth

Yup. My second or third month at my first job, I accidentally knocked out internet access for thousands of people for a couple of hours because I deleted something in production rather than in dev. It was terrifying and I was sure I would be fired. Rather than being canned, of course, the team managing the tool that allowed me to delete the resource learned the following: 1) people should not be able to delete things without confirmation in production 2) it should be very obvious which environment you're in 3) normal humans shouldn't have access to production except for operations folks. That's the value of blameless post mortems.