Logic
18 year old: Can I buy a beer?
Government: No, absolutely not
18 year old: Can I join the military, and use guns and explosives, fight against enemy soldiers on the other side of the world and potentially die?
Government: We encourage it
Government: No, absolutely not
18 year old: Can I join the military, and use guns and explosives, fight against enemy soldiers on the other side of the world and potentially die?
Government: We encourage it