Yes this is something I drill into more junior engineers as much as possible - Simplicity is a design consideration. Your designs need to convey what they are doing as clearly, intuitively, and simply as possible. You invented some new thing that automated everything? Congrats, the next person that needs to do a modification or read the drawing to react to an emergency is definitely going to break it, possibly even hurt themselves. Whenever I look at a drawing I can very quickly tell the quality of an engineer by how intuitive the drawing is - and for the quality of the notes they left when they had to do something complex