[llamataboot]

I don't think "just hiring great sysadmins" is possible. People have off-days or are tired or sick, new people get on-boarded, even great people make mistakes, etc.

[protomyth]

...or accidentally switch which of the 25 term sessions they had open

I tend to color my production terms in a red background / yellow font scheme. It tends to inspire the tired brain to understand you are in production.