You hear someone say, $"$DfSC sounds fine in theory, but I think it will have two negative effects. First, it will slow down the product development process because now all the areas that make up supply chain management$-$procurement, manufacturing, and logistics $-$ will need to be involved. Second, it gives too much power to the supply chain functions. After all, if supply chain managers think something is too difficult to ship or too expensive to make, they may say no$."$ What do you think? Are these legitimate concerns? How should operations managers address them?