As an enemy of Rome says in Tacitus' Agricola, "They create a desert and call it peace."
That people were living on the site of Rome doesn't mean that they were Romans--the name may have been bestowed on the site later.
All great people are nasty exclusive conquerors.
Imagine, Romulus having to explain to his kids that he’d killed their uncle Remus, and having them accuse him of racism.
Rome hasn't been at war with Carthage lately, have they???