We all have an ego, and that’s OK. There’s nothing wrong with having a healthy ego, in fact, it plays an important an important role in life. Essentially its role is to make sure our needs are met. The word ego can be traced back to 19th century Latin where it literally meant “I”.
The notion of defending design for me is all wrong. Design either serves the purpose or doesn’t, irrespective of our best defences. However there’s an elephant in the room that’s worth pointing to. Designers generally are creative-types, right-brained individuals who more often than not get personally invested in their creative outputs.