Ooh, I had a hard time listening to the original ones because the audio has a new problem every video, this is very nice to hear.
I recommend anyone to watch them to improve writing on things you might not even know are problems, BUT, don't be ready to trash your story because it breaks so much of what he says. Sanderson is very much a planner and he likes everything to work within the rules, always, no buts, but that's not the only way to write well - just take what you know will make things more fun for you and for the reader.