The Importance of User Interface Design For Employees

As everything else, it is a matter of cost. A web site targeting millions of people while trying to attract some clients has no choice but to rely in better UX design and implementation, in other words to inflate the cost of the application. A behind the firewall application will not necessarily be benefited in the same since its targeted user is well defined, already has a need to use the app for, and since he is a frequent user of it can afford a more primitive and less user friendly interface.