What is the fine-grained topic of the following text: But the abundance of people that will never achieve “mainstream” popularity as musicians (some music biz people I’ve talked to refer to them as “delusionals”), are creating what another calls “Empires of Dreams,” or very profitable companies that target these hopeless individuals, despite the implicit knowledge that very few of them will ever actually have much success. Only return the topic.
Profitable companies exploiting aspiring musicians with low chances of success