This topic is one that should sound familiar to anyone who has been around enterprise architecture, transformation, or banking, as one example, for more than a few years: everything old is new again. The latest version of the old story is being told through “purchased models,” “off-the-shelf ontologies,” and what some are now calling the semantic operating system for banking, as one example. Buying somebody else’s model of your industry is not a new idea. It is a very old idea in very new packaging. Twenty-five years ago, it was sold as reference architectures, industry models, enterprise blueprints, and packaged best practices. Accenture sold it. IBM sold it. The Big Four sold it. Entire consulting practices were built around the claim that if you adopted a prebuilt model of your enterprise, you could move faster, reduce risk, and leapfrog the painful work of figuring out your own organization. But here is the Real Talk.