Upon what grounds does Dennett, and other rabid atheists, attack theist? After all, if there is no free will, how can I be held responsible for what I believe?
Claims of morality is sophistry without some singular higher power defining what it is...
Morality and all of its associated ideals are rooted entirely in the presupposition some higher power defines what is correct for human behavior.
But, since we are all properly obeying the * modern interpretation * of the First Amendment, good & evil isn't the question... Good & bad, right & wrong, etc., etc., ad nausea; are all inherently religious ideals.
The modern interpretation of the First Amendment (according to the liberal-tarians) says government must exorcise all traces of religion and theism from itself. Therefore, government must never consider issues of morality and right and wrong.
So, it becomes a question of benefits versus costs. Fetus killing has its benefits to society, especially if you like to sleep late on Saturdays. But it also has its costs as well. Society (by which I mean, whoever manages to seize power) needs to evaluate these costs and decide accordingly.
The mythical rights of men and women are also meaningless. The very concept of rights is also founded in religion. Since the enlightened person is freed from any superstitions about some "God," they are free from having to worry about "rights." Only raw power counts and humans are just meat puppets for the powerful...