Nobody said the US doesn't have a class system? Also the person you're responding to appears to be a kiwi, not an American.
Non-Americans making fools out of themselves while trying to casually denigrate the US is one of my favorite internet traditions. It's especially entertaining because there are plenty of valid criticisms, but people often seem to go for the most lazy, inaccurate generalizations and reveal their ignorance.
Primitive metallurgy was used to create weapons for millennia before it became commonly used for cookware. Technology has always been primarily used as vector for human beings to control and dominate one another, rather than to assist/improve society.