"Second: Anglicanism is canonical Christianity."
Interesting use of the word "canonical"; not the way Orthodoxy or the Latin Church uses it.
K., I would point out that the author of this article is a highly intelligent and devout (and very well-known) Anglican priest.
He is, however, squarely in the "evangelical" wing of the Anglican communion, so his concept of "canonical" will be far more Proestant than Catholic.