What sounds odd of all this is that I think the spam sites and "content farms" are generating a lot of ad clicks for Google. Will they really take appropriate a

What sounds odd of all this is that I think the spam sites and "content farms" are generating a lot of ad clicks for Google. Will they really take appropriate actions against this sites if this will mean a significant cut on the earnings? I played with adsense a lot in the past, and if you did too you should now how spam sites generate a lot more clicks than sites where the user is actually focused on reading content...