It would only be more ethical if your ethical system was based on a utilitarian viewpoint. In contrast, most capitalist democracies (all that I can think of an

It would only be more ethical if your ethical system was based on a utilitarian viewpoint. In contrast, most capitalist democracies (all that I can think of anyway) are centered on individualism... the only ethically allowable sacrifice is the voluntary sacrifice... and children (anyone under 18) are not considered sentient enough to make decisions about their own lives and futures.