It's possible to have justice without being barbaric, you know.
That kind of depends on your idea of justice, don't you think? And your idea of justice may not match mine, no? Not to mention the subjectivity of "barbarism." You may think inserting a needle under someone's skin and injecting into him a chemical which gently puts him to sleep and then arrests his heart is barbaric, while my community might not. Is it not a bit pretentious to ascribe your community's standards upon mine?
That's why we don't cut the hands off thieves any more. Or perhaps you think we should start doing that again?
I don't believe we ever cut the hands off thieves in the American justice system.