I can't see how a Greek Orthodox church can do anything but try to keep up its numbers or close the doors.
As the old European-based ethnic communities disperse and dissolve there seems little hope for those religious communities that place ethnicity at or above religious beliefs.
There seems to be a lot of talk about Catholics joining Orthodox churches in protest of Pope Francis's recent outbursts. I really don't see that working out too well for anyone.
Which is just replacing one traditionally Catholic ethnic group with another. It's still a counterfeit Judaism without Sinai.
My point was simply that the ancient churches are ethnic and anti-missionary by their very nature. Trying to convert anyone is "Protestant," so (aside from a few people who come in entirely on their own, as I once did), all they have to count on is that Irish people (and Italians, Hispanics, Vietnamese, French, Austrians, etc.) reproduce sexually.
I wonder how churches with such attitudes can condemn Jews for not wanting to be proselytized.