Regarding @Deribus' suggestion: Is the game prefs shared with the steam installation? If so, how easy is it to add in a template? We would have to write a parser that could open and interpret the game prefs file, find out if the template (or if an equivalent template is already there), and if it's not there, add it, but only do this the very first time someone loads FAF? And then they've got this template that will also exist if they try to play the game with Steam?
We should be careful about editing people's game prefs file. Perhaps just make a tutorial video about how to make this PD template and encourage new players to watch the video, follow the process, learn to make their own templates, and then learn to start using this one. Giving people a template that they can easily make for themselves does nothing for people who already know how to make templates, and for people who don't know, it takes away an opportunity for them to learn.
Also, if you break one person's game prefs file, you will never hear the end of it.