Aha, this is about altering the control computer's software, not actual car repair. You almost had me there... 
-Edvard
The two are not mutually exclusive...as sometimes the repair is to alter the control computer's software. It's bad enough that the bar is already set at prohibitively expensive gadgetry just to do a minor engine tweak like dropping the idle so one's Harley goes back to idling like a Harley is supposed to instead of buzzing like some spastic appliance (Dealer Only Item(s) cost ~$600 for just that!).
No the corporate masters need to lose this one, and the messier the better. Because killing off an entire aspect of our culture in the name of IP law is simple unacceptable.
Well, the man did say "... copying the software is at issue after all, not wholly replacing it, ...".-Edvard
A clever sentiment sure. But it reality which scenario is more likely to have an adverse impact on the environment?
1. People get an existing know good system and tweak it to their specific needs/liking.
2. People have to scratch build something totally in the hops of building a workable (close enough) baseline they can then work from.