READ THE DESCRIPTION! http://www.youtube.com/watch?v=-oW9croP0Sw
That was great for a month of playing. After a month of playing for me I could barely get through Brain Stew by Green Day.
That sounds about right to me. He muted most of those notes because he can't really play at that speed yet. He could have done that in a month or three, no problem. Some people practice/progress faster than others. *shrug*