Originally Posted by
stickandrudderman
That's the problem.
So many people are "imagining" and "finding it dubious" yet few are prepared to establish actual facts.
With respect, I went to great lengths to establish a number of facts—only the very final paragraph of my post above was (clearly indicated) supposition, and even in that rather narrow sense it was heavily guided by the facts I had already established. Feel free to contact APHA if you want more detail, they were terribly helpful when I wrote to them.