That is indeed the aim although it's a little more complicated than just being forced to join the army. There would be an array of other options. Seemed to work up until 1960 so I wouldn't call it stupid. That said I'm not sure I agree with it. Maybe everyone between 18 and 22 should have the...
That has as much chance of passing as I have of scoring the winning goal for England in the World Cup final whist at the same time being blown by Kelly Brook.