You are right, the non-seo-spam pages aren't gone (but hard to find in all the spam, which is what GP is "mourning"). So, the incentive is the same for those, b

You are right, the non-seo-spam pages aren't gone (but hard to find in all the spam, which is what GP is "mourning"). So, the incentive is the same for those, but the incentive for seo-spam pages goes down. Which might improve the signal-to-noise ratio.