You spend the rest of the day investigating what went wrong. Eventually, you figure it out. Somebody logged on to the third machine last week and manually updat

You spend the rest of the day investigating what went wrong. Eventually, you figure it out. Somebody logged on to the third machine last week and manually updated some of the software. These changes were never propagated to the other servers, or back to the staging environment, or dev environments. I'm sorry -- how many people are still doing this in 2019?