I worked at a telco that served a few tens of thousands of customers in a huge remote region. There are so many systems held together with baling wire it was r

I worked at a telco that served a few tens of thousands of customers in a huge remote region. There are so many systems held together with baling wire it was rare to go a day without a significant outage, usually multiple. Everyone who was remotely knowledgeable about tech was basically a firefighter.