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It's just human nature. People come up with geocentric ideas for everything. It's certainly not limited to software designers or even particular modes of software design. Ever talk to Semantic Web people? Or, ontologists? People tend to naturally assume that there is one set of "Enterprise Entities". Heck, it even took physicists a long time to come up with general relativity. And, they only did it after their absolute models broke down.

So, yes, each granular component should have its own perspective of "the Enterprise". But, contexts can be very different. For a simple example, a "car" may have completely different interface depending on if its user is a "car designer", "car assembler", "car salesperson", "car driver", etc. So, someone trying to define a universal interface for a car will make themselves and their teams crazy. Worse, the idea of "a car" will change through time, so even perfect interfaces will have to change.

This isn't limited to object oriented design, by the way. Functional programming paradigms have the same issues.