Battle of the patriarchs: the church mess in the Ukraine

I go to the Ukrainian Catholic Church for Liturgy and Communion. I go to the Russian Orthodox Church, whose music I know, for Vigil as Communion prep. I see our lack of such services as an ecumenical opportunity: that the Byzantine Catholic churches are not perfect is a reminder that our work is far from done. (Part of that work is explaining the entire Catholic faith all in Orthodox terms.) And