Let me preface what I am about to say with this:
I know Jimmy has had some health problems as of late, but my critique has nothing to do with Jimmy the man, it's just how I percieve his teaching.
He seemed really nervous in the videos, and that stunted his ability to pass along his knowledge to the viewer. Also, it didn't seem like he had a strict outline of material he was intending to teach. He seemed to meander a bit.
All in all, he had a lot of information to share, it's just that it did not flow smooth enough for me to gain much from it.
Again, from everything I've heard, he's a great person, but I just didn't like his teaching method very much. And yeha, he did dive right in to the diamond system without explaining much.
A lot of awkward pauses while he thought of how to frame his next statement. Was a bit disconcerting. It looked like he just wasn't at ease in front of a camera..
Russ