Isn't this a matter of semantics? A blueprint for a computer could be stored on a computer, and it's obvious that the blueprint doesn't contain everything needed to build a computer.
This is a problem with using metaphors. Blueprints very accurately describe the role of genes by the way the article here describes them. I think they don’t have a precise understanding of what blueprints are, which means now semantics of the metaphor are critiqued rather than the actual content.
