Justin,
I think excusing ignorance can only go so far. There will always be people who are in heretical groups and are ignorant of that fact. That can't prevent us from treating Universalists, JW's, etc. as anything less than completely outside the Church. I'm not willing to say the same thing about those in World Orthodoxy--but the time must surely be approaching, and some already believe the time has passed, and I would not judge those people for holding to that position.
I agree with the sense of the above - but then again, what is implicit to what you're saying that this is ultimatly an intuitive, subjective appraisal - at least it is in the case of those who, if you pressed them, would offer an Orthodox confession.
Personally, I think if things go on as they are, eventually things will sort themselves out, in the sense that there will be two clearly different bodies. I also think whoever ends up writing the history of this period (sometime in the future), will recognize the plurality of views, but will not make the kind of harsh judgements about those who have "come out" of the mess which is "canonical world Orthodoxy" at different times (particularly later than sooner) that some contemporary to this situation do.
Seraphim