Of the items listed, I only use email. Call me a Luddite but all of those other things are just unnecessary distractions. I find that my life is much more focused when I control the funnel of noise. I have an RSS reader for news and email or a phone for communication. All these other potential streams of data are like road signs or commercials: I know they're there but I've made such an effort to ignore them that the…
Well, since the app is open source, you surely could just read the code and figure out a method. However, doing that requires enough focused effort to source-dive and debug something. It is much much easier to prevent oneself from doing that than to keep oneself from editing a file.
If anyone is thinking of responding to this comment by speculating how to circumvent the tool, take that to another thread.