He also has forthcoming a new edition of the standard chants needed for Orthodox services that is mostly in two parts (remember it has to be a cappella) with additional parts easily added, but he recognizes the diminished singer resources of many parishes. Especially in light of the collapse of music literacy teaching in the schools, all struggle to find singers who can actually read music. That has been my experience with the average Roman Catholic parish choir as well.
One point that struck me is his observation that poor quality music has become "the new norm." And I would say that this is the case is the majority of American Roman Catholic churches. Here's the link:
The State of Church Singing
While this might seem like things are bad all around, it might also be consoling to know that everyone has similar problems.
For further consolation (and pure enjoyment), a YouTube of Sheehan's setting of the Cherubic Hymn: