You've never worked a job where you might be called in during an emergency? We're in a forum full of sysadmins and devops people and this idea is foreign?
I work freelance film production. I get calls for work at random hours and if I don't respond quickly that offer can expire. I also work on high-pressure, quick turnaround jobs a lot, and part of the deal as a freelancer is that I'm always available. As a result, I keep my phone with me.
I'm sorry that my earning a living is pathetic to you.
