If you're an Atheist, what comforts you?

[Angrboda]

I'll point out that in Canaan, the Jews made a part of their identity being different from the other people in the area.

The basis of that difference was theology not DNA. The ancient Israelites were worshipers of the one God Yahweh, while all the surrounding nations like the Canaanites were pagan idol worshipers.

conservatism or capitalism or healthy nationalism.

I never said that their difference was based in their DNA, only that difference could serve as a substantial ground for identity.  A fact which you simply confirm.

Conservatism and capitalism are weak foundations for a strong identity. I mean is there a capitalist association I can join? Definitely not a non-profit one.
And what is "healthy" nationalism?
All these ideologies are are weak and superficial. Nothing can substitute the power of Religion and the strength of a religious identity.

This is nothing more than moving the goalposts.  Your claim was that atheism leaves people vulnerable to identify with certain isms, which you now apparently acknowledge as false.  Whether these isms form a good basis for identity is a separate question, and one which I wasn't addressing.  Try to keep up.

Why not?  Before you laugh, you need to establish that you have cause for laughter.

Humanism is about building an identity on our common humanity. Now the thing with a basis for identity is that it has to have a large degree of meaningful commonality for all concerned within the category. I say that my humanity is an incidental attribute and not at all a basis for my identity.

What do I have in common with those servile Korean peasants in North Korea whose whole existence is about serving their state and fearing big brother? Or for that matter those primitive aboriginals that live naked in the Amazon rain forest? Apparently we are all human, but I view them the same way I view the zebra I come across at the African Lion Safari. So why not just expand humanism to creaturism and we can all unite and identify with each other on our common animality?

What do they have in common?  You mean other than being human and thus having essentially the same human nature and ultimately the same goals and aspirations?   You mean other than that?  As a matter of fact, some humanists do consider our interconnectedness and interdependence with the animal and plant world an important plank in their humanism.  You haven't shown anything wrong with this, or that it is an unsound basis for identity, you've simply ridiculed it.  An appeal to ridicule is worthless for making a point.  As earlier discussed, identifying with something larger than yourself is a fundamental source of meaning and significance, so identifying with the human race and indeed all of life on this earth itself would be very significant and a rich source of meaningful identity. That you find more meaning in believing yourself different from the Koreans or the Zebra is simply a choice that you have made. Your having made that choice does not in any way show that your choice is better than that of such humanists, especially on the core value of a meaningful identity. Meaning is based upon associating with something larger than yourself, remember? That's why you've chosen to associate yourself with God. By considering themselves a part of the larger animal and plant world, the humanist is actually associating themselves with something larger than you are in associating with a much smaller religious group. You've actually shown the reverse of what you intended to show.

(And you "considering" being human incidental to being human is just laughable.)