[recursivedoubts]

The presentation layer needs to interpret the business layer information in your example. This couples the two together if, for example, the form of the business data changes.

This is in contrast to hypermedia where the client (a browser) simply sees the new hypermedia and renders it. In this case, the client is decoupled from the particulars of the business logic.

This is due to the uniform interface of REST. See https://htmx.org/essays/hateoas/