I have a script that sets up 90% of a full nagios/icinga server automatically in about 5 minutes. Why, in 2014, are people still not monitoring everything as j

I have a script that sets up 90% of a full nagios/icinga server automatically in about 5 minutes. Why, in 2014, are people still not monitoring everything as job #1? Why isn't this being taught in schools? How do people with tech jobs not know this?