I think this is backwards. Google offers to host your content on their domains, and if you want that it requires you to use certain markup, and only certain ads.
If your job is monetizing content, or if you want to raise some abstract "time spend on domain" metric, then I can understand how this can be unpopular. But if your goal is to have your content read by many people, have very fast load times, and spend a bit less on traffic, then it is beneficial.