The word canon refers to a standard or measuring stick. It provides three criteria by which one can determine whether a doctrine was orthodox or heretical. Vincent did not invent the canon named after him. He summed up in elegant Latin the longstanding theological method used by the early Christians. (http://orthodoxbridge.com/defending-the-vincentian-canon-everywhere-always-and-by-all-a-response-to-outlaw-presbyterianism/
I agree with those who hold to a genuine continuity of doctrine and believe it a valid test of orthodoxy as long as it also is backed up by Scripture - which the early church fathers held as well.
We are in the middle of a big, big political push right now in Tennessee (you're not in TN, are you?) -- a kind of do or die Amendment to the TN Constitution which could eventually allow us to close down most of the abortion clinics, as they did in Texas.
The abortion industry is outspending us about 100-to-1 in ads (it's infuriating) but we're trying to pull together a strong ground game.
It's a real cliff-hanger, and I have volunteered to go out to the Early Voting poll site for 15 straight days to grin like a maniac while waving a "Yes On 1" sign. If I may ask your prayers...