I don't get it. If you are going to abandonware your binary only crap, why not release he source?
Please don't judge without really knowing the circumstances.
Dilemma (the guy behind this prog and a lot of others) has given an extreme amount of work to producing some very good tuning tools for a certain swedish car brand.
Most of his stuff includes the sources. (in c#)
It is not fair to nitpick, only because he didn't publish the source for one of his minor side projects.