As always, we are in your debt. An excellent and thought-provoking argument. I am just reading a book on the European 'discovery' of the Coptic Church, and the story seems rather a familiar one, except in this case it is the Catholics who thought that the 'heretics' needed 'converting'.
In this is love, not that we loved God, but that He loved us and sent His Son to be the propitiation for our sins. (1 John 4:10)