Denying a born again member of Christ's body access to the wine and the bread under any circumstances except the one taught in scripture is like saying Cornelius could be prevented from being baptized (Acts 10:47), which Peter says he could not be.Another opinion without evidence or understanding.
Since you say the Catholics acknowledge there are born again children of God who are not Catholics how is it that they can deny born again people access to the body and blood of Jesus which they have already been saved by and into?