Aluminum castings of ant-nests

I think a random pair of ants in a colony share 75% of their DNA in common - not perfect clones of each other, but enough or ensure that the best way of propagating their genes (they’re sterile) is to help the queen. If Dawkins was an ant, he’d agree the arrangement is rational. I wonder if the same thing might evolve in humans, midwitch cuckoo style