Exactly. If he could already join Jane Street as an intern... Well of course somebody who already has all the privileges can easily say that "I don't want these

Exactly. If he could already join Jane Street as an intern... Well of course somebody who already has all the privileges can easily say that "I don't want these privileges and I want to explore something else", but first you have to be in a privileged position to have the ability to choose. For many others it is totally worth it to get into this position first, then think about what their next step would be.