Yes people do have a moral to defend their country from invasion regardless of which democratically elected government is currently in power. You are purposefully changing the language, Its not a moral duty to fight its a moral duty to defend.
The war is already lost
Yes I agree, but its not over until the leader decides it is. The only person with blood on their hands is the leaders who continue the war. Because the leader is elected to make decisions on behalf of the people if the leader says men aged 25+ need to enlist then our boy in the article should enlist.
Do you believe at all in civic duty? Do you think people have a societal obligation to follow laws in a democracy?