They believe they can choose themselves.
Once you had to wait: to be accepted, to be promoted, to be selected... to somehow be discovered.
Not anymore. Access is nearly unlimited; you can connect with almost anyone through social media. You can publish your own work, distribute your own music, create your own products, attract your own funding.
You can do almost anything you want -- and you don't need to wait for someone else to discover your talents.
The only thing holding you back is you -- and your willingness to try.