Excellent point; I would normally attribute it to ignorance of anything beyond their own religious tradition, except for the fact that the Orthodox are a witness that the Reformation is illegitimate and not built on the foundation of the Jewish apostles and prophets. That is the reason the Reformation was insufficient and there is a flood of new religious denominations, sects, communities, and cults flowing out of Protestantism with a focus on Restorationist faith groups.