Adsense warns Publsihers for adult contents.

Adsense warns publishers through email if they had adult related content. eg , if they had pictures and wallpaper collections with some adult touch in it. Its not necessary that the pictures were naked and or porny. Google Adsense considers photos with some adult touch in it as adult content. Adsense just gives an opportunity for the publishers by leaving them with just a warning rather than disabling their accounts. Adsense had just stopped serving ads to such sites.

Google Adsense makes landing page costlier for slower sites

Adsense now demands more CPC for a website for using adwords if their landing page of their sites are loading slowly. This shall increase the quality of the adwords users. If their pages are loading slowly, their CPC campaign would cost 5-10 times higher than the other competitors targeting for the same keywords. This act done by Adsense would lead to increase in the users using Adwords and would also result in happiness for the publishers for displaying Ads of adsense which would load fastly resulting in more people interested in clicking on Adsense ad units.

Google Adsense banning publishers for the goodness of both.

We could see that Google Adsense bans many publishers periodically. Many publishers would think that its just for the goodness of Adwords members. Even though its the main factor, Google Adsense does it also for the goodness of other Adsense publishers. We could see that many Adsense publishers facing drastic times of getting very low ecpm, its because of the publishers who does not comply with the TOS of Adsense.
But while disabling accounts for many publishers, Google Adsense have to consider the publishers who were innocent and their accounts could also have been banned. They should alteast respond to the request of the publisher regarding his account's reinstatement.