for his own good. as i said, i revere the man (what i feel we can separate from plato, at any rate), but his rhetoric was not without a bit of venom - one of the things i like, actually.
is this not more simply called "eugenics"? it seems rather a mixed bag, though (not unlike predisposition to sickle cell making one resistant to malaria).
it doesn't get to 'em, anyway - it's stolen by the (literal) fat (no longer literal) cats at the (literal, again) top of the food chain, making them stupid and short lived? COINCIDENCE?! yes.