I think that the more people are aware of this the less likely it is that they will advertise. I think this is going to come back to bite Google on the ass. How could front page articles detailing this issue possibly be a good thing for Google? I bet that a lot of people who are currently in the content network reconsider spending there. It was Google's choice to ruin the content network now they are going to have to deal with the fallout.
There will be people that will never trust Google again and will look elsewhere.
I don't like the smell of this domain-parking stuff either, and wish G would police it better and hold their nose(s) less tightly when letting participants sign up.
But with care (eg plenty of negative keywords and explicit exclusion of any site that you notice is sending you totally-non-converting junk) the final CPA (cost per action/conversion) can be just as good as the other G outlets, and the volume much higher.