[Elsie]

The errors of the churches in Revelations is that of individual churches, not of the Church as a whole

So a bunch of imperfect churches can come together and make a perfect whole assembly.

Got it.

[Petrosius]

So a bunch of imperfect churches can come together and make a perfect whole assembly.

Got it.

No, God guides the whole church. Individuals can still err. But you are still avoiding the issue, if not by the Church, then how are we to know what is and what is not Scripture?