What does God see when he looks at the Church?

[Aloysius]

not necessarily, though it likely belongs to the ordinary papal magisterium

to "participate in their assemblies" et cetera would be giving countenance to a false Christianity... because it would be supporting their errors and joining in a false unity whereas the only true Christian Unity exists in the Catholic Church.

they are Christians, their brand of Christianity however must be considered 'false' insomuch as it opposes the Truth of Christ's Church. that doesn't make them false christians necessarily, though protestantISM is false christianITY