Did you read any of Moody's books? One of the most compelling aspects of the near death experiences are those people who later tell of events that were impossible for them to know.
One of the examples ( of several) was the boy who during his NDE meets his cousin. When he returned to consciousness, he told his aunt not to worry that his cousin was safe and happy and in heaven. His cousin had been killed in an automobile accident shortly before his NDE and no one knew about it, even as the boy was telling his aunt that his cousin was in heaven. Moody interviewed not only the boy but those family members involved.
Also....Moody did his work long before NDE was known in the culture, as it is today, yet, even though it was impossible for the people who had the NDEs to have known each other, or to have known of this phenomena, there were major common themes in their experiences.
Personally....I believe it is worth while to investigate NDEs and not to casually dismiss them, especially when regaining consciousness the person affected tells of events with others that would be impossible for him to know.
It is an interesting subject but I have not heard of any studies on the characteristics of those reporting having NDE's, compared to those not having NDE's. Any adequate physical histories such as what chemicals were put into their bodies a few days before the NDE? What was the diagnosis of their physical condition? Those having NDE's outside a hospital vs. those having NDE's in a hospital setting? Remember those in a hospital often have undergon treatment with anesthesia. Any personality inventories run on those reporting NDE's vs. those not reportingthem(an MMPI for example)?
Those writing books about NDE's expect to make money as do their publishers. Does the desire to sell books or give a lecture-for a fee-influence which NDE's are selected and reported vs. the less interesting cases of those who report nothing?
Speaking of those who report nothing-I have personally known such a case-what is the explanation for such instances? Lastly, I believe in a "life after death" I merely do not believe these anecdotal stories "prove" life after death. I believe there is probably a more naturalistic explanation.