Because margins are going to keep getting thinner. A million in sales sounds good until you realize your net is only $50,000.
And it is the nature of farming. 100 years ago a farmer in Kansas made a good living on 160 acres and could get by on 80 acres. My father raised a family of 12 with the earnings from 800 - 1200 acres. Today my BIL farms 800 acres while working a full time job as a teacher.