They were. The whole point of this is whether or not Orthodoxy gets to decide what is and is not canon, and who is and is not a Christian. In order to claim they weren’t Christians, you must engage in a fallacy known as “begging the question,” which is where you presuppose the conclusion you want to arrive at.
Because we’re not rejecting logic in this exchange, or at least I’m not, your position rests on outright falsehood.