The feed is now a video, Matias starts at 3:46:58
Congrats Sacha Greif... you opinion on MD was featured on Matias' slides. I need to pay more attention to you now as well. :)
5 minutes into Matias' presentation and you can tell that Sacha's quote is off the mark. Material Design is about imposing a strict visual aesthetic and a grid. It is about making developers understand and use conventions set forth by Google.