Actually it is easier to get a permit to have a child if you are former military. Otherwise Johnny and his friends would not have been born. Because I really do not see his father as the military type. In the book he didn't join till after BA.
Something else missing from the first movie but where are the worker bugs? The ones that grow the food for the colony to eat to dig the tunnels the colony lives in? Or are the warrior bugs mislabled and they are the missing workers.