Going back and forth with measures and counter-measures besmirches the point. Cars have to be serviced and this may be considered just another aspect of it.
I'm not suggesting that this sort of thing is necessarily a good thing(tm) but, it may be viewed as such by some and it's possible.
Isn't it the consumer's prerogative and responsibility to decide?
Not to mention, lawsuits and PR nightmares can be factored into a business case analysis. VW actually went ahead and defrauded the US government in diesel-gate and they're still an almost $100 billion company.