First, according to Tom, he did speak with him but not specifically about the titanium.
If you break down the quote from the book, any reasonable researcher should see the red flags.
This is not about criticizing a person, it's about criticizing the typical verbage used when someone has a bias or point of view they want to manipulate the reader into believing.
Academics are prone to trying to manipulate readers, abusing their position of "respect" in society, IMHO.
"The Citizen Sleuths website describes the source as titanium metal; however, our comunications with Mr. Kaye indicate that the particles were titanium oxide, a widely used component of food coloring, paints and pigments, and sunscreen."
Note "our communications". Doesn't say what form of communnications (email? casual talk on the street? phone call?)
The formal "our communications" leaves an implication of formal, correct communication. Also, why not say "communications"? It's a bit of the royal "we" ...as if "our communications" are more accurate or privileged than the common man's.
"Mr Kaye" ..using a formal title like implies correctness, accuracy, professionalism. Rather than just saying "Tom".
"indicate" Why use the verb indicate? Again it's trying to imply that evidence and facts are pointing to a new fact. Rather than "I think Tom said this"
"Titanium, which at one time suggested an exposure of the tie to an environment within the aerospace industry, eventually appeared to be no more than a marker for, most probably, paints and pigments."
"eventually appeared to be no more than a" ..A dismissive remark about a prior published analysis. It's the academic sneer.
The reader gets sucked into the academic "better than thou" point of view, by dumping on prior published research (with no actual facts presented).
For instance, other papers (the 727 jump research by the guy from Texas) cite email correspondence, the exact date, and quotes from the email, if data/interview material was obtained from other researchers.
What Edwards did was incorporate hearsay in his book, which had many other academic-styled references (format-wise), and tried to imply his hearsay was as good as his other referenced material.
It wasn't, obviously.
An actor posing as an academic, basically.