Being pretty crazy while being chased by the National Enquirer is not good. The British tabloids were the worst.
The scientist is motivated primarily by curiosity and a desire for truth.
It's not really like you have a thing like a supermodel anymore. It's more of a word than a real existence. I think, also, looking at it from a designer's point of view, at one point maybe they felt the stars took too much attention away from the clothes.