"Even leaving the risk of injury or death our, there are disadvantages to the military life, and it is not appropriate for everyone" you said.
Likewise how many college grads decide teaching or nursing is not the career they thought it would be?
In reality, how many people stay with a job for 4 years. The grass is always greener on the other side of the fence.
Likewise....
The cream always rises to the top of every situation.
Agreed. The difference being that joining the military is more of a commitment than trying out most lines of work. If I don't like working at WalMart I can quit today.