@TempestTost
Which is not so much about her personal beliefs, but a realization that what we might consider modern, secular western values very much depend on certain presuppositions that are rooted in Christian metaphysics and ethics, and that secular humanism attempts to retain the values and beliefs around things like rationality, while severing the metaphysical roots of that. And not really replacing it with anything.
Interesting questions, although I'm not sure how much Western civilisation values really depend on Christianity.
I do think it's an issue that where we as a society lose our traditional spiritual foundation (however flawed, or basically false, Christianity may be as a religion) we may not be going down the path of "reason" and "secular humanist values" as if it's some march to progress and we may actually instead be destabilising our society.
On the theoretical level, while I think it's difficult for anyone to ground ethics whether that is under theism or philosophical naturalism, I do think that there is a strong case that atheism leads to moral nihilism. For example, if naturalism can't support free will then that presumably destroys both moral responsibility and moral duty.
I'm talking theoretical here. Of course in practice many atheists may continue to be well behaved and think ethical behaviour is very important. But if you take away the better foundation for morality (very arguably in certain ways), you don't know if it's just a theoretical thing, or if it starts having an impact on society. So there is the underlying grounding of ethics in play, and also as a society you no longer have that unified story and approach to ethics with which you raise the next generations. (Obviously Christians will disagree over doctrine and ethics all the time, but somewhat unified approach anyway.)