The experienced serve as supervisors and reviewers to avoid these problems that a young, inventive mind full of artistic fervor can cause.

I don't really agree with your last paragraph. Designers do work with art, and that art sells their work on its own. You see, more objective and obvious options in any segment will always be suppressed by aesthetics if they are truly welcome. Buildings, furniture, packaging. As much as physical standards matter, design is what makes many of these things more valuable in the eyes of those who see them, and they are mostly excellent works of art that sell well.