[piusv]

So this article is basically asserting Gregory of Narek may have been Catholic at best.

May have been.

A Doctor of the Catholic Church may have been Catholic.

This makes me feel soooo much better.

[NRx]

May have been...

No need to sweat the ambiguity. He wasn't. Does this mean he was not a great and holy man? Not at all. But he wasn't Catholic. And while we are at it, he also wasn't Orthodox (Eastern vice Oriental).