I would argue that economics drives at least some of this because Hollywood and media in general have no shortage of talent waiting in the wings. So new mechan

I would argue that economics drives at least some of this because Hollywood and media in general have no shortage of talent waiting in the wings. So new mechanisms for generating attrition will always find more fans (the underdogs) than opponents (the top dogs.) In those milieu, everyone - even filthy rich producers, is expendable. Though expendable connotes a sense of usefulness, so maybe disposable works better.