The Infrastructure Team Is the Real Single Point of Failure (opens in new tab)

Every serious infrastructure investment goes into redundant hardware, distributed systems, and multi-region failover. Almost none goes into the one dependency that sits above all of it — the small number of engineers whose departure, unavailability, or burnout makes the environment unrecoverable. The infrastructure bus factor is the organizational single point of failure that no architecture review catches. It doesn't appear in the system diagram. It doesn't show up on a monitoring dashboard....