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.