Earlier quoted context omitted.
... or users can just be given the option and decide for themselves. http://i.imgur.com/ym4W4.png
No, no. Config settings like that are a way for lazy designers to avoid making hard decisions. Joel Spolsky wrote about this over 10 years ago: Every time you provide an option, you're asking the user to make a decision. That means they will have to think about something and decide about it. It's not necessarily a bad thing, but, in general, you should always try to minimize the number of decisions that people have t…
like the 'designers' of gnome3 (using the term loosely here) who thinks focus-follow-mouse and click-does-not-raise-window are things that only the devil would use and so no one should be allowed 'for usability sake' and 'think of the children'
think about it. a black wallpaper is the best readability option. period. so let's remove the user ability to change wallpapers pronto!
what i say "everytime you provide the user an option, you are asking him to, if he uses the software enough, to take a little second to make a decision that will give him an incredible productivity edge"
now, stop being lazy and hiding behind excuses. work on the real problem: how to present the options so they are not in the way, like joel mentions it while not being missed by the user