It also has a hefty library of ready-made figures. I don't know how many people use them outside of system administration, but cron and at are already using resources on my system. Another very important thing from this perspective is that most users are not administrators. I'd guess that many people first used a computer at work or school and then later bought one for the home. Two important things here are that the user's environment should be portable and that it should be cleanly separated from the system environment since that may be used by other people.
Some people do use it to run apps remotely.
That .gtkrc is on the X client side is a problem here. Fields with bold titles are required. Please try to keep posts on topic. Try to reply to other people comments instead of starting new threads, Read other people's messages before posting your own to avoid simply duplicating what has already been said. Use a clear subject that describes what your message is about.