There are a lot of people who believe they can fake it until they make it, and they also often think that everyone fakes it until they make it, as well. That's the end game, doing whatever it takes until they make it.
Perhaps, but I've seen more than a handful of the hustle culture types crash and burn once they could no longer fake it sufficiently.
Some things you really do need the knowledge, experience and time spent on to navigate successfully, and you just can't fake that consistently as time goes on, especially around other people who do have that knowledge and experience.
I'd agree if, outside of nepotism, new grads were faking it into senior or higher level positions that necessitate knowledge and experience that they truly don't possess.