There seems to be this tendency for good UIs to degrade over time. A good UI usually comes from someone who knows the basic principles of good UI design: unit e

There seems to be this tendency for good UIs to degrade over time. A good UI usually comes from someone who knows the basic principles of good UI design: unit economy, intuitiveness, ergonomics, simplicity/minimalism, uniformity, etc. But then, later, people "improve" on this original design template.