Macintyre doesn’t really involve himself with the evolutionary parts. He tends to be oriented towards historical/social/cultural explanations instead. But yes, this is an issue that any virtue ethics needs to handle.

> Utility has the advantage of sustaining moral care toward people far away from you

Well, in some formulations. There are well-defined and internally consistent choices of utility function that discount or redefine “personhood” in anti-humanist ways. That was more or less Rawls’ criticism of utilitarianism.