It is google's problem. Yes we are affected but in the end google will be the one to pay the price for it in the light of strong competition.
I guess a lot of us also see this as our problem because of how it could adversely affect us.
Also, no one can give you Google's interpretation of the rules other that Google. What you see here is other publishers' interpretation of the rules and purpose of the program as has been presented by Google.
And yes, the reason why we all have adsense on our sites is for the money.