I think she is not specifically talking about the exact same person here. She specifies people putting themselves over the success of the team later in the text

I think she is not specifically talking about the exact same person here. She specifies people putting themselves over the success of the team later in the text, right in front of the charlatan statement. The x builder can have this affect, on the one end of the spectrum what you describes happens, on the other end of the spectrum charlatanerie happens.