Nice video.
And that was my original point. How can you love someone "where there is absolutely nothing in it for you to do so"? For example, if you travel to a foreign country and you see someone on the street needing water/food/money. Do you help that person? You're never going to see him/her EVER AGAIN. So the new revolutionist idea you were referring to in fostering "the community" for your own benefit is thrown out the door.
So why help that person? If the concept of God is not in the mind, and you're purely a living, breathing human being trying to survive, helping that person does absolutely nothing. You can say you're helping that person out of guilt or moral responsibility - but then there must be a "moral giver" who had built that into us as human (animals don't do this kind of thing).
I'm actually seeing your question here, but it's requiring me to actually think it through. No I don't just have a really flip pat answer. In fact, in thinking about your question today I've been thinking I'm actually an atheist in some particulars. Not made of any single thread of belief, more of a woven product of different beliefs. I'm popping off a lot on the theme of belief systems being politically harnessed to some statist utopian dream of how everyone should be molded according to some elite thinkers' specifications, but the fact is I see how people can follow different systems of logic or faith.. . . .. and most of the time I'd prefer to make the effort to study people as they appear or present themselves to be, hoping it's a sincere manifestation of human intelligence rather than a merely cliched conformity to some societal "expectations".
I generally see problems with religions when they get harnessed to some state purpose just as much as I might see problems with some other belief system being enforced and regulated by state authority. But as for individual convictions or statements of belief, I find different beliefs interesting and thought-provoking.