To justify Christian morality because it provides a foundation of morality, instead of showing the necessity of Christian morality from the truth of Christianity, is a very dangerous inversion.
What! I should call on that Infinite Love that has served us so well? Infinite cruelty rather, that made everlasting hell, Made us, foreknew us, foredoom'd us, and does what he will with his own; Better our dead brute mother who never has heard us groan.
If we are to stand the final heat of the battle, we must learn to stand our ground in the face of cavalry or baton charges and allow ourselves to be trampled under horses' hooves, or be bruised with baton charges.
In the middle 1970s an astronomer I admire put together a modest manifesto called "Objections to Astrology" and asked me to endorse it. I struggled with his wording, and in the end found myself unable to sign, not because I thought astrology has any validity whatever, but because I felt (and still feel) that the tone of the statement was authoritarian.