I agree with this and I think teaching design would be a very difficult and sometimes frustrating job. I asked that same question to a teacher once, if he thought the ability to design (aesthetically speaking) was inherent in a person or if it could be learned. He was a wonderful teacher, very encouraging and in touch with his students, but he agreed that it was something inherent. Like any art probably... not just anybody can sing or dance or paint. It's a God-given talent. But all of us can like or dislike, we are all experts when it comes to our own opinions! I know I'm not a designer nor ever will be one, but fortunately the job of an architect is so multi-faceted and one's strength will be another's weakness. Not many are gifted with the left- and right-brained talents needed to get the entire job done right. And while one architect's name indicates ownership of the work, it is an entire team that made the project successful. This is a whole different topic though, so I'll leave it at that.