Yes it does work, although it's a bit crude at its current state. Jarmonik himself posted that "This add-on does require some work to become really useful". Hopefully somebody will work on it.
The direct comparison is of course with the excellent "Videnie orbit drawing 1.0" by Artlav (although it only worked in Orbiter2010, no graphics client), which has quite a few drawing options to be (de)activated on screen.
I'd suggest you start a thread in the add-ons request section detailing what exactly you found missing in the current code base. That way, interested developers know what things people would find useful. Just saying "look at videnie for pointers" is a bit cheap, as few folks will go and do their own investigation just for the heck of it. In addition, summarizing your findings is something even non-programmers like you can contribute. Regularly updating such a thread with new ideas/concepts/comparisons would also help to keep visibility high in order to attract potential contributors.
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