I used to work at a nonprofit where our server room’s fire suppression equipment consisted of a single handheld extinguisher and a “Guardian Angel of Computers” wall hanging. I once asked my boss how long it would take to restore from our offsite backup if a fire trashed the servers, and he (jokingly) asked me not to bring it up because he was trying not to think about it. (As a small nonprofit, there was obviously no budget to refit the room with an inert gas system, or anything like that.)