No ONE speaks for Orthodoxy. There is no central authority or jurisdiction. Each Church in EO speaks for themself. When a Church decides they will return to Catholic unity, they have that right as an independent Church. The others who don’t want that for themselves, that’s thjeir choice. They really can’t complain about those that do choose Catholic unity. Afterall, it’s within their independent choice in the system EO created.themselves.
“We are increasingly conscious of the fact that an Orthodox Church does not really exist,” he contends. “At the present stage, it does not seem that Constantinople is yet capable of integrating the different autocephalous Orthodox Churches; there are doubts about its primacy of honor, especially in Moscow.”
zenit.org/en/articles/the-crisis-of-ecumenism-according-to-cardinal-kasper
That’s why there is dialogue between individual Churches.