I feed a Prey Model Raw diet. Your boyfriend is 100% correct. My dogs only pretty much eat chicken bones (but rotties would be able to handle denser bones) and they crunch them right up. Its not like cooked bones which are a big NO NO. Never feed cooked bones but raw bones are very pliable and wonderful for cleaning teeth. Here are some of my favorite sites if you'd like to get more info or you could pass it on to your boyfriend...
The Many Myths of Raw Feeding RawChat : Raw Chat