"many different subgroups of people are treated as though they are public spectacles for reasons other than, or in addition to, being female."
she moves her attention to celebrity and what she terms "sublebrity" - celebrity within a subgroup of culture, such as LGBTQ+ circles.
non-celebrities tend to treat celebs like public spectacles - we feel we can walk up to them and ask questions, or for an autograph, etc.
Serano, a "sublebrity" thanks to Whipping Girl, details some encounters she's had: people opening with critiques of her work, asking her why she is there ("I am at this queer karaoke event because I am a queer person who enjoys karaoke!"), stating that a friend telling her a story was "monopolizing all her time", or even feeling deceived upon learning, midway through conversation, that she was well-known - as though they were entitled to that information.
from here, she moves to another topic where she is often seen as deceiving - transness.