You know, there other forms of Catholicism that don’t insist you commit cultural and National suicide.
Catholicism itself --- the normal, ordinary, and perennial Catholicism found in the Catechism and the teachings of the Fathers of the Church and the Lives of the Saints --- does not "insist you commit cultural and National suicide."
Don't call for a new 'form' of Catholicism. The old-and-always form will do just fine, thank you, by the grace of God.
But you've got to stay and fight.
What are they?