I think because she dressed very non-femme. Suits, ties, short hair. She didn't people-please or try to be a caretaker, where both are very femme-coded.
@mel

Annemarie Minna Renée Schwarzenbach, born 23 May 1908, was a Swiss writer, journalist and photographer. Her bisexual mother brought her up in a masculine style, and her androgynous image suited the bohemian Berlin society of the time, in which she indulged enthusiastically. Annemarie Schwarzenbach was born in Zurich, Switzerland. When she was four, the family moved to the Bocken Estate in Horgen, near Lake Zurich, where she grew up. Her father, Alfred, was a wealthy businessman in the silk ind