Nobody really understands or digs into the implications. They simply assume that if they are successful it's because they are great people while others are not great or as smart or hard working and that's why they suck. It's very difficult for privilege to understand implicit privilege... or for those looking to fix the situation to not piss people off as it's seen with those that are already in the in-group as being unfair.

This has a name, btw:

https://en.wikipedia.org/wiki/Fundamental_attribution_error

But a major part of networking is charisma. Or, as Andy Warhol said, "Without charisma, you're dead."