Then you should watch Bonginos YouTube Podcast that shows the video.
He was a NY Cop. He knows what to look for. Apparently, you dont.
He said, because of the angle of the video, it looks like the pressure is on the neck, but really, there is only a relatively small amount of pressure between the shoulder blades.
He said his wife was amazed that she did not feel any pain or pressure, and could breathe easily.
But, because the knee extends over the neck, it looks like the pressure is on the neck.
He said he was surprised how well he remembered the technique, after 10 years of being retired.