If the first 'argueable' is true, then how, in your opinion, should the LCMS respond? By continuing altar fellowship?
all Baptized persons who believe in the Real Presence of Christ for the forgiveness of their sins...
Many baptized believers in the Real Presence overlook a wide gulf in other doctrinal areas with LCMS. Where then is the spiritual unity? Where is that common confession of faith?
Which is precisely the position of Roman with regard to offering the Sacrament to those not in communion with the Bishop of Rome and the teachings of that church.
Is that where a church of the Reformation should stand?