People are just really confused why you isolated that passage for criticism, when it is embedded within a long paragraph that makes it abundantly clear that Scott isn't saying remotely what you seem to think he's saying. He's not denying that he has a perceptible race or a gender. He's saying that knowledge of the therapist can be a distraction, and therapists generally see it as a duty to minimize such distractions, which makes fame an obstacle to his professional effectiveness.