Why isn't this called "HTTP API Guidelines"? It doesn't seem to have much to do with REST at all. For example, it says that people should be able to construct U

Why isn't this called "HTTP API Guidelines"? It doesn't seem to have much to do with REST at all. For example, it says that people should be able to construct URLs, whereas the REST style uses the URLs found in resources. To be clear, I'm not saying that there is anything wrong with the practices they propose here, just that they're not what they're claiming they are.