Why is absent/low sexual desire a mental disorder (except when patients identify as asexual)?

Book Review: Diagnosing desire: Biopolitics and femininity into the twenty-first century by Alyson K. Spurgas

“…Others have found that there are six classes of desire and arousal patterns. Clearly, while others have found "the remedy" (i.e., cessation of diagnosing and treating absent/low sexual desire; Margolin, 2023), limited action has followed suit in clinical practice. This goes without consideration to the text published 20+ years ago challenging the medicalization of low sexual desire (Tiefer, 2001).…”