What the heck are you talking about? There are numerous bishops in Eastern Christianity who are NOT Catholic and do NOT accept the Pope. Ask any Orthodox Christian.
Sorry, I was posting from an iPhone, it could have been longer.
Synodality works well in the Ukranian Catholic Church because the synod of bishops is not made up of “Vatican II Catholics”, unlike, say, Western Europe or North America.
Where more than half of the bishops are openly or covertly non-Catholic, synodality would be a mess.
This thread was talking about Catholic Churches from the East that are aligned with Rome.