I agree that people worry too much about what is fed. As long as they are getting plenty of protein and calcium, they should be ok. Happy, healthy chickens are what matters.
I knew what you meant, and I agree. Just like human babies, their main food source should not be treats. Treats should be used as just that.. treats.
I believe what she was trying to say is that you wouldn't just let your newborn baby eat candy all day. Therefore, new chicks shouldn't just eat...