While it may need time, most of it is automated. So, you don't really spend all day staring at the screen.
Just need to monitor that things are going ok and have alert systems in place when things go wrong.
Since, may people already spend time at the computer with their other projects or work, this might be easier for some than others.
Many months ago I heard that some of them are doing it at a financial loss. So certainly not all of them are taking this as a job.
While it may need time, most of it is automated. So, you don't really spend all day staring at the screen.
Just need to monitor that things are going ok and have alert systems in place when things go wrong.
Since, may people already spend time at the computer with their other projects or work, this might be easier for some than others.