I don’t know what…
I don’t know what the secret “breeding” designs of our would-be rulers are. But whatever they are, governments cannot succeed in breeding stupid, avaricious people: stupidity and avarice are not bred in humans. They are learned and chosen. If you think there’s too much of them going around (and I suppose any amount of them going around would be too much), then you would do best to address them as fellow rational beings and deal with them as people who can (and ought to) live up to something better.
The notion that some people are simply born to be slavish (and should be treated accordingly?) is an Aristotelian idea. But it’s the sort of Aristotelian idea that would-be libertarians would be better off rejecting.