Google doesn't like it when you blame them for something. Especially when you blame YouTube for a stuttering video playback experience. Just to prove their point, or perhaps genuinely help YouTube addicts in picking a decent internet service provider, Google has begun rating various services and giving deserving internet providers a "YouTube HD Certified" stamp if their connection is stable enough to play 720p video without any stutters.
At present, the report is only of use to Canadians. However, Google will quickly expand the report with information from other countries as well.