Who you know may get you through the door but it's what you know that will keep you in the job.

This is for sure. I have seen it happen a fair bit, but Finland is a very small place and reputation has a wide network. The companies here end up hiring through network a lot, because everyone knows everyone. Might be able to trick one or two, but that isn't enough. It is kind of like an informal web of trust.

As for authenticity not all content creators want their lives exposed to the possibility of doxxing.

Yep. But the ones who are basing their content on their personal lives - like the "fitness" influencers (girls in bikinis) and the like - they are branding themselves - not an avatar. Would be an interesting (and scary) view of the world to have uncurated social media lives :D