PG here, 3.) the "moral" of the story? There is only one way to have an honest living: nothing is free (fiat dollars right off the printing press, no children, no marriages, machines that make life easier—it is all cheating, cutting corners, a scam). Do whatever you want; there are no moral high standards in life is the wrong way to live. Look at Amish or Mennonites as an example; obey God; farm with horses; build a barn with your own two hands; do not hire others; barn raising maybe, using gold and silver coins. Honest living, honest life. No man can promise you a way out of doing things God's way.
The earth will never be over populated with fish who have schools of offspring. Never be over populated with insects, birds, reptiles, flowers, herds of animals, etc. It is impossible. Nature takes care of itself.