So he states what appears to be self-evident. The reader thinks, "hey, he's onto something."
Right. He tells you to work to "let go of all that stuff." He tells you how to do it...kinda...right? What does he tell you to do to let go of all that stuff? That's what his customers pay to learn from him, the meditations, exercises, and neurolinguistic programming techniques. They pay big bucks for it, too; but ultimately, they are merely placed on a treadmill of working to "get right" by Tolle's standard.
His "pain body" concept is simply a problem-reaction-solution setup. He created a fictitious concept called the pain body (the problem), that creates a reaction in his audience and desire to fix the problem that conveniently he offers the solution for.
At approximately 2:25 in that video he contradicts his whole "pain body" concept when he states that when you see your own drama as illusion you either laugh or smile, failing to realize that he just got through explaining that when people laugh at an illusory drama on a T.V. screen it's the "pain body" laughing, enjoying, and craving it.
His teaching on the pain body is completely incoherent. I hope you can now see that. If not, watch the video again and look for his contradiction around 2:25.